WO2005018658A1 - 2-methylene-19-nor-vitamin d2 compounds - Google Patents
2-methylene-19-nor-vitamin d2 compounds Download PDFInfo
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- WO2005018658A1 WO2005018658A1 PCT/US2004/026925 US2004026925W WO2005018658A1 WO 2005018658 A1 WO2005018658 A1 WO 2005018658A1 US 2004026925 W US2004026925 W US 2004026925W WO 2005018658 A1 WO2005018658 A1 WO 2005018658A1
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- 0 C[C@@](C*)C(CC1)C(C)(CCC2)C1C2=CC=C(CC1C)C[C@](*)C1=C Chemical compound C[C@@](C*)C(CC1)C(C)(CCC2)C1C2=CC=C(CC1C)C[C@](*)C1=C 0.000 description 3
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/59—Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/08—Drugs for disorders of the urinary system of the prostate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P15/00—Drugs for genital or sexual disorders; Contraceptives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/06—Antipsoriatics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
- A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A61P35/02—Antineoplastic agents specific for leukemia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C401/00—Irradiation products of cholesterol or its derivatives; Vitamin D derivatives, 9,10-seco cyclopenta[a]phenanthrene or analogues obtained by chemical preparation without irradiation
Definitions
- This invention relates generally to hydroxylated vitamin D 2 isomers such as (20R,24R)-l ⁇ ,25-dihydroxy-2-methylene-19-nor-vitamin D 2 and (20R,24S)- l ⁇ ,25-dihydroxy-2-methylene-19-nor- vitamin D 2 and pharmaceutical formulations including such compounds.
- the invention also relates to methods of treating various disorders using such compounds and pharmaceutical formulations.
- diseases such as renal osteodystrophy, vitamin D
- a new class of vitamin D analogs i.e., the so called 19-nor-vitamin D compounds
- 19-nor-vitamin D compounds are characterized by the replacement of the A-ring exocyclic methylene group (carbon 19), typical of the vitamin D system, by two hydrogen atoms.
- Biological testing of such 19-nor-analogs e.g., l ⁇ ,25 -dihydroxy- 19-nor-vitamin D 3
- these compounds are potentially useful as therapeutic agents for the treatment of malignancies, or the treatment of various skin disorders.
- D analog was synthesized, namely, l ⁇ ,25-dihydroxy-24-epivitamin D 2 , which was essentially devoid of bone calcium mobilization but unexpectedly exhibited comparable binding to the receptor as l ⁇ ,25 -dihydroxy vitamin D 3 [DeLuca et al., U.S. Patent 5,036,061].
- Related patents referring to l ⁇ ,25-dihydroxy-24-epi-vitamin D 2 include DeLuca et al., U.S. Patent 4,769,181, DeLuca et al., U.S. Patent 54,973,584, and DeLuca et al., U.S. Patent 4,588,716.
- a class of l ⁇ -hydroxylated vitamin D compounds not known heretofore are the vitamin D 2 isomers in which the A-ring exocycle methylene group, typical of all vitamin D system has been transposed to the carbon 2, i.e., 19-nor- vitamin D 2 analogs, having a methylene group at the 2-position, and the methyl group at carbon 24 (C-24) in the side chain having the R (i.e., 24-epi) and S configurations.
- the present invention is thus directed toward the 2 -methylene- 19-nor-
- Yi and Y 2 may be the same or different, and are each selected from H or a hydroxy-protecting group, and R is selected from OH and protected hydroxy groups.
- the wavy line to the methyl substituent at C-24 indicates that the methyl substituent at carbon 24 may have either the R or S configuration.
- the above compounds exhibit a desired, and highly advantageous, pattern of biological activity. These compounds bind better to the vitamin D receptor than l ⁇ ,25-dihydroxyvitamin D 3 and are characterized by relatively high intestinal calcium transport activity, similar to that of l ⁇ ,25-dihydroxyvitamin D 3 , but exhibit very minimal activity, as compared to l ⁇ ,25 -dihydroxy vitamin D 3 , in their ability to mobilize calcium from bone. Hence, these compounds are highly specific in their calcemic activity. Their preferential activity on gut calcium absorption allows the in vivo administration of these compounds for the treatment of metabolic bone diseases where bone loss is a major concern.
- these compounds or pharmaceutical formulations may be employed as therapeutic agents for the treatment of diseases or disorders where bone formation is desired, such as osteoporosis, senile osteoporosis or postmenopausal osteoporosis, as well as osteomalacia and renal osteodystrophy.
- the treatment may be transdermal, oral, or parenteral.
- the compounds may be present in a composition in an amount from about 0.1 ⁇ g/gm to about 100 ⁇ g/gm of the composition.
- the compounds are present in an amount preferably from about 0.1 ⁇ g/gm to about 50 ⁇ g/gm of the composition, and may be administered in dosages of from about 0.01 ⁇ g/day to about 100 ⁇ g/day, and in some embodiments from about 0.1 ⁇ g/day to about 50 ⁇ g/day.
- the compounds of the invention are also especially suited for treatment and prophylaxis of human disorders which are characterized by an imbalance in the immune system, e.g., in autoimmune diseases, including multiple sclerosis, diabetes mellitus, hot versus graft reaction, and rejection of transplants; and additionally, for the treatment of inflammatory diseases, such as rheumatoid arthritis and asthma, as well as the improvement of bone fracture healing and improved bone grafts.
- autoimmune diseases including multiple sclerosis, diabetes mellitus, hot versus graft reaction, and rejection of transplants
- inflammatory diseases such as rheumatoid arthritis and asthma
- alopecia skin conditions such as dry skin (lack of dermal hydration), undue skin slackness (insufficient skin firmness), insufficient sebum secretion and wrinkles, and hypertension are other conditions which may be treated with the compounds of the invention. Dosages may be the same as noted above for the metabolic bone diseases.
- the above compounds are also characterized by high cell differentiation activity.
- these compounds also provide therapeutic agents for the treatment of psoriasis, or as anti-cancer agents, especially against leukemia, colon cancer, breast cancer and prostate cancer.
- the compounds may be present in a composition to treat psoriasis in an amount from about 0.01 ⁇ g/gm to about 100 ⁇ g/gm of the composition, preferably from about 0.1 ⁇ g/gm to about 50 ⁇ g/gm of the composition, and may be administered topically, transdermally, orally or parenterally in dosages of from about 0.01 ⁇ g/day to about 100 ⁇ g/day, preferably from about 0.1 ⁇ g/day to about 50 ⁇ g/day.
- Figure 1 is a graph illustrating the relative activity of 2-methylene- 19- nor-24(S)-20(R)- 1 ⁇ ,25-dihydroxyvitamin D 2 , 2-methylene- 19-nor-24(R)-20(R)- l ⁇ ,25-dihydroxyvitamin D 2 and l ⁇ ,25 -dihydroxyvitamin D 3 to compete for binding of [ 3 H]-l ⁇ ,25-(OH) 2 -D 3 to the vitamin D pig intestinal nuclear receptor.
- Figure 2 is a graph illustrating the percent HL-60 cell differentiation as a function of the concentration of 2-methylene- 19-nor-24(S)-20(R)-l ⁇ ,25- dihydroxyvitamin D 2 , 2-methylene- 19-nor-24(R)-20(R)-l ⁇ ,25-dihydroxyvitamin D 2 , and 1 ⁇ ,25 -dihydroxyvitamin D .
- Figure 3 is a graph illustrating that the 2-methylene-24(S) and 24(R) derivatives of 19-nor-l ⁇ ,25-dihydroxyvitamin D 2 have activity about the same as that of l ⁇ ,25 -dihydroxyvitamin D 3 , the natural hormone, in stimulating intestinal calcium transport.
- Figure 4 is a graph illustrating that the 2-methylene-24(S) and 24(R) derivatives of 19-nor-l ⁇ ,25-dihydroxyvitamin D 2 have minimal activity on bone, i.e., the mobilization of calcium from bone, as compared to l ⁇ ,25-dihydroxyvitamin D 3 .
- the invention provides (20R,24R)- 1 ⁇ ,25-dihydroxy-2- methylene-19-nor-vitamin D 2 having the formula IA: IA and (20R,24S)-l ⁇ ,25-dihydroxy-2-methylene-l 9-nor-vitamin D 2 having the formula IB:
- hydroxy- protecting group signifies any group commonly used for the temporary protection of hydroxy functions, such as, for example, alkoxycarbonyl, acyl, alkylsilyl or alkylarylsilyl groups (hereinafter referred to simply as “silyl” groups), and alkoxyalkyl groups.
- Alkoxycarbonyl protecting groups are alkyl-O-CO- groupings such as methoxycarbonyl, ethoxycarbonyl, propoxycarbonyl, isopropoxycarbonyl, butoxycarbonyl, isobutoxycarbonyl, tert-butoxycarbonyl, benzyloxycarbonyl or allyloxycarbonyl.
- acyl signifies an alkanoyl group of 1 to 6 carbons, in all of its isomeric forms, or a carboxyalkanoyl group of 1 to 6 carbons, such as an oxalyl, malonyl, succinyl, glutaryl group, or an aromatic acyl group such as benzoyl, or a halo, nitro or alkyl substituted benzoyl group.
- alkyl as used in the description or the claims, denotes a straight-chain or branched alkyl radical of 1 to 10 carbons, in all its isomeric forms.
- Alkoxyalkyl protecting groups are groupings such as methoxymethyl, ethoxymethyl, methoxyethoxymethyl, or tetrahydrofuranyl and tetrahydropyranyl.
- Preferred silyl-protecting groups are trimethylsilyl, Triethylsilyl, t-butyldimethylsilyl, dibutylmethylsilyl, diphenylmethylsilyl, phenyldimethylsilyl, diphenyl-t-butylsilyl and analogous alkylated silyl radicals.
- aryl specifies a phenyl-, or an alkyl-, nitro- or halo-substituted phenyl group.
- a "protected hydroxy” group is a hydroxy group derivatized or protected by any of the above groups commonly used for the temporary or permanent protection of hydroxy functions, e.g., the silyl, alkoxyalkyl, acyl or alkoxycarbonyl groups, as previously defined.
- hydroxyalkyl deuteroalkyl
- fluoroalkyl refer to an alkyl radical substituted by one or more hydroxy, deuterium or fluoro groups respectively.
- Yj and Y 2 and R represent groups defined above; Yj and Y 2 are preferably hydroxy-protecting groups, R is either hydroxyl or protected hydroxyl, it being also understood that any functionalities in R that might be sensitive, or that interfere with the condensation reaction, be suitably protected as is well-known in the art.
- the process shown above represents an application of the convergent synthesis concept, which has been applied effectively for the preparation of vitamin D compounds [e.g., Lythgoe et al., J. Chem. Soc. Perkin Trans. I, 590 (1978); Lythgoe, Chem. Soc. Rev. 9, 449 (1983); Toh et al., J. Org. Chem.
- Hydrindanones of the general structure II are known, or can be prepared by known methods. Specific important examples of such known bicyclic ketones are Grundmann's ketone analogs (a and b) [Mincione et al., Synth. Commun 19, 723, 1989; Peterson et al., J. Org. Chem. 5J_, 1948, (1986)].
- 2-Methylene phosphine oxide III can be prepared according to the procedure described by Sicinski et al., J. Med. Chem., 4J_, 4662 (1998), DeLuca et al., U.S. Pat. No. 5,843,928.
- the protected hydroxy sulfone compound IV can be prepared according to the procedure described by Kutner et al., J. Org. Chem. 53, 3450 (1988).
- the final step involved the unmasking of the silyl ethers with tetrabutylammonium fluoride to yield 24R-l ⁇ ,25- dihydroxy-2-methylene-l 9-nor-vitamin D 2 , 11.
- 24S-l ⁇ ,25-dihydroxy-2- methylene-19-nor-vitamin D 2 may be synthesized using the same procedure employing the enantiomer of the sulphone shown in SCHEME II.
- reaction mixture was extracted with ethyl acetate, and the organic phase was washed with saturated NaCl. Without further purification, the product was acetylated. The compound was taken in anhydrous dichloromethane and acetic anhydride and pyridine were added at 0°C. After reaction completion, the reaction mixture was washed with a saturated CuSO 4 solution and extracted with dichloromethane. The product was used in the next reaction without any purification. A saturated solution of Na 2 HPO 4 in methanol 0.5 mL) was added to a stirred solution of the sulfone (1.80 mg) in 0.5 mL of anhydrous THF. The mixture was stirred under argon for 30 minutes and cooled to 0°C.
- Fresh 5% sodium amalgam (ca 200 mg) was then added, and the mixture was stirred for 3 hours at 5°C.
- the mixture was diluted with 3 mL of hexane and stirring was continued for 15 minutes.
- the hexane layer was then decanted, and the methanol layer was washed with hexane (3 X 2 mL).
- the hexane layer was washed with ice- cold saturated NaCl and then dried over Na 2 SO 4 .
- Figure 2 illustrates that the 2-methylene-24(S) and 24(R) derivatives of 19-nor- l ⁇ ,25-dihydroxy vitamin D 2 are significantly more potent than l,25(OH) 2 D 3 on HL-60 differentiation, making them excellent candidates for the treatment of psoriasis and cancer, especially against leukemia, colon cancer, breast cancer and prostate cancer.
- Figure 3 illustrates that the 2-methylene-24(S) and 24(R) derivatives of 19-nor-l ⁇ ,25 -dihydroxyvitamin D 2 have activity about the same as that of l ⁇ ,25- dihydroxyvitamin D 3 , the natural hormone, in stimulating intestinal calcium transport.
- Figure 4 illustrates that the 2-methylene-24(S) and 24(R) derivatives of 19-nor-l ⁇ ,25 -dihydroxyvitamin D 2 have minimal activity on bone, i.e., the mobilization of calcium from bone as compared to l ⁇ ,25 -dihydroxyvitamin D 3 .
- the 2-methylene-24(S) and 24(R) derivatives of 19-nor-l ⁇ ,25- dihydroxy vitamin D 2 are more active than l,25(OH) 2 U 3 in binding to the vitamin D receptor ( Figure 1), and these compounds are also more active than l,25-(OH) 2 D 3 in causing differentiation of the promyelocyte, HL-60, into the monocyte ( Figure 2).
- This result suggests that the 2-methylene-24(S) and 24(R) derivatives of 19-nor-l ⁇ ,25- dihydroxyvitamin D will be very effective in psoriasis because they have direct cellular activity in causing differentiation and in suppressing growth. It also indicates that these compounds will have significant activity as anti-cancer agents, especially against leukemia, colon cancer, breast cancer and prostate cancer.
- the compounds of this invention defined by formula I, formula IA, and formula IB may be formulated for pharmaceutical applications as a solution in innocuous solvents, or as an emulsion, suspension or dispersion in suitable solvents or carriers, or as pills, tablets or capsules, together with solid carriers, according to conventional methods known in the art. Any such formulations may also contain other pharmaceutically acceptable and non-toxic excipients such as stabilizers, anti-oxidants, binders, coloring agents or emulsifying or taste-modifying agents. Pharmaceutically acceptable excipients and carriers are generally known to those skilled in the art and are thus included in the instant invention. Such excipients and carriers are described, for example, in "Remingtons Pharmaceutical Sciences” Mack Pub. Co., New Jersey (1991), which is incorporated herein by reference.
- the compound may be administered orally, topically, parenterally, or transdermally.
- the compound is advantageously administered by injection or by intravenous infusion or suitable sterile solutions, or in the form of liquid or solid doses via the alimentary canal, or in the form of creams, ointments, patches, or similar vehicles suitable for transdermal applications.
- Doses of from 0.01 ⁇ g to 100 ⁇ g per day of the compounds are appropriate for treatment purposes, such doses being adjusted according to the disease to be treated, its severity, and the response of the subject as is well understood in the art.
- each may be suitably administered alone, or together with graded doses of another active vitamin D compound - e.g., l ⁇ -hydroxyvitamin D 2 or D 3 , or l ⁇ ,25- dihydroxyvitamin D 3 - in situations where different degrees of bone mineral mobilization and calcium transport stimulation is found to be advantageous.
- another active vitamin D compound e.g., l ⁇ -hydroxyvitamin D 2 or D 3 , or l ⁇ ,25- dihydroxyvitamin D 3 - in situations where different degrees of bone mineral mobilization and calcium transport stimulation is found to be advantageous.
- compositions for use in the above-mentioned treatment of psoriasis and other malignancies comprise an effective amount of the 2-methylene-24-epi-19- nor-vitamin D compound as defined by the above formula I formula IA, and formula IB as the active ingredient, and a suitable carrier.
- An effective amount of such compounds for use in accordance with some embodiments of the invention is from about 0.01 ⁇ g to about 100 ⁇ g per gm of composition, and may be administered topically, transdermally, orally, or parenterally in dosages of from about 0.1 ⁇ g/day to about 100 ⁇ g/day.
- the compound may be formulated as creams, lotions, ointments, topical patches, pills, capsules or tablets, or in liquid form as solutions, emulsions, dispersions, or suspensions in pharmaceutically innocuous and acceptable solvent or oils, and such preparations may contain, in addition, other pharmaceutically innocuous or beneficial components, such as stabilizers, antioxidants, emulsifiers, coloring agents, binders or taste-modifying agents.
- the compound is advantageously administered in amounts sufficient to effect the differentiation of promyelocytes to normal macrophages. Dosages, as described above, are suitable, it being understood that the amounts given are to be adjusted in accordance with the severity of the disease, and the condition and response of the subject as is well understood in the art.
- the formulations of the present invention comprise an active ingredient in association with a pharmaceutically acceptable carrier therefore and optionally other therapeutic ingredients.
- the carrier must be "acceptable” in the sense of being compatible with the other ingredients of the formulations and not deleterious to the recipient thereof.
- Formulations of the present invention suitable for oral administration may be in the form of discrete units as capsules, sachets, tablets or lozenges, each containing a predetermined amount of the active ingredient; in the form of a powder or granules; in the form of a solution or a suspension in an aqueous liquid or non- aqueous liquid; or in the form of an oil-in-water emulsion or a water-in-oil emulsion.
- Formulations for rectal administration may be in the form of a suppository incorporating the active ingredient and carrier such as cocoa butter, or in the form of an enema.
- Formulations suitable for parenteral administration conveniently comprise a sterile oily or aqueous preparation of the active ingredient which is preferably isotonic with the blood of the recipient.
- Formulations suitable for topical administration include liquid or semi- liquid preparations such as liniments, lotions, applicants, oil-in-water or water-in-oil emulsions such as creams, ointments or pastes; or solutions or suspensions such as drops; or as sprays.
- a nebulizer or an atomizer can be used for asthma treatment.
- formulations may conveniently be presented in dosage unit form and may be prepared by any of the methods well known in the art of pharmacy.
- dosage unit is meant a unitary, i.e., a single dose which is capable of being administered to a patient as a physically and chemically stable unit dose comprising either the active ingredient as such or a mixture of it with solid or liquid pharmaceutical diluents or carriers.
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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AT04781584T ATE537834T1 (en) | 2003-08-20 | 2004-08-18 | 2-METHYLENE-19-NOR-VITAMIN D2 COMPOUNDS |
CA2535185A CA2535185C (en) | 2003-08-20 | 2004-08-18 | 2-methylene-19-nor-vitamin d2 compounds |
EP04781584A EP1656157B1 (en) | 2003-08-20 | 2004-08-18 | 2-methylene-19-nor-vitamin d2 compounds |
NZ545862A NZ545862A (en) | 2003-08-20 | 2004-08-18 | 2-Methylene-19-nor-vitamin D2 compounds |
JP2006524037A JP5009617B2 (en) | 2003-08-20 | 2004-08-18 | 2-Methylene-19-nor-vitamin D2 compound |
AU2004266706A AU2004266706B2 (en) | 2003-08-20 | 2004-08-18 | 2-methylene-19-nor-vitamin D2 compounds |
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US49641503P | 2003-08-20 | 2003-08-20 | |
US60/496,415 | 2003-08-20 |
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EP (1) | EP1656157B1 (en) |
JP (1) | JP5009617B2 (en) |
AT (1) | ATE537834T1 (en) |
AU (1) | AU2004266706B2 (en) |
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Cited By (3)
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WO2010006162A2 (en) * | 2008-07-10 | 2010-01-14 | Wisconsin Alumni Research Foundation | 2-methylene-(20e)-20(22)-dehydro-19-nor-vitamin d analogs |
WO2010006172A2 (en) | 2008-07-10 | 2010-01-14 | Wisconsin Alumni Research Foundation | 2-methylene-20(21)-dehydro-19-nor-vitamin d analogs |
WO2014116386A1 (en) * | 2013-01-23 | 2014-07-31 | Wisconsin Alumni Research Foundation | (22E)-2-METHYLENE-22-DEHYDRO-1α,24,25-TRIHYDROXY-19-NOR-VITAMIN D3 ANALOGS |
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US7713951B2 (en) * | 2004-04-09 | 2010-05-11 | Wisconsin Alumni Research Foundation | 2-alkylidene-18,19-dinor-vitamin D compounds |
JP5036548B2 (en) * | 2004-11-22 | 2012-09-26 | ウイスコンシン アラムニ リサーチ ファンデーション | 2-Methylene-19,21-dinor-1α-hydroxy-bishomopregnacalciferol |
MX2007009725A (en) * | 2005-02-11 | 2007-09-26 | Wisconsin Alumni Res Found | 2-methylene-19-nor-(20s-24epi)-1??,25-dihydroxyvitamin-d2. |
AU2006213727B2 (en) * | 2005-02-11 | 2011-08-18 | Wisconsin Alumni Research Foundation | 2-methylene-19-nor- (20S-24S) - 1alpha, 25-dihydroxyvitamin-D2 |
US8399439B2 (en) * | 2008-07-10 | 2013-03-19 | Wisconsin Alumni Research Foundation | 2-methylene-19,26-dinor-(20S,22E,25R)-vitamin D analogs |
US8193170B2 (en) * | 2008-07-10 | 2012-06-05 | Wisconsin Alumni Research Foundation | 2-methylene-19,26-dinor-(20R,22E,25R)-vitamin D analogs |
PL216135B1 (en) * | 2009-08-07 | 2014-03-31 | Inst Farmaceutyczny | New synthons and application thereof for the preparation of 19-nor vitamin D derivatives |
AU2010300528B2 (en) * | 2009-10-02 | 2016-02-11 | Wisconsin Alumni Research Foundation | (20S,22E)-2-methylene-19-nor-22-ene-1alpha,25-dihydroxyvitamin D3 analogs |
WO2011119622A1 (en) * | 2010-03-23 | 2011-09-29 | Wisconsin Alumni Research Foundation | DIASTEREOMERS OF 2-METHYLENE-19-NOR-22-METHYL-1α,25- DIHYDROXYVITAMIN D3 |
US8664206B2 (en) | 2010-03-23 | 2014-03-04 | Wisconsin Alumni Research Foundation | Diastereomers of 2-methylene-19-nor-22-methyl-1α,25-dihydroxyvitamin D3 |
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US9416102B2 (en) | 2013-01-23 | 2016-08-16 | Wisconsin Alumni Research Foundation | (22E)-2-methylene-22-dehydro-1α,24,25-trihydroxy-19-nor-vitamin D3 analogs |
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Also Published As
Publication number | Publication date |
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JP5009617B2 (en) | 2012-08-22 |
JP2007502832A (en) | 2007-02-15 |
NZ545862A (en) | 2010-01-29 |
CA2535185A1 (en) | 2005-03-03 |
AU2004266706B2 (en) | 2009-07-30 |
US20050070511A1 (en) | 2005-03-31 |
ATE537834T1 (en) | 2012-01-15 |
EP1656157A1 (en) | 2006-05-17 |
AU2004266706A1 (en) | 2005-03-03 |
EP1656157A4 (en) | 2008-11-05 |
CA2535185C (en) | 2013-04-23 |
EP1656157B1 (en) | 2011-12-21 |
US7232810B2 (en) | 2007-06-19 |
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