AR229081A1 - PROCEDURE TO PREPARE NEW MERCAPTOACILPROLINAS - Google Patents

PROCEDURE TO PREPARE NEW MERCAPTOACILPROLINAS

Info

Publication number: AR229081A1
Authority: AR; Argentina
Prior art keywords: mercaptoacilprolinas; procedure; prepare new; prepare; new
Prior art date: 1978-08-11

Application number

AR277678A

Other languages

Spanish (es)

Original Assignee

Squibb & Sons Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1978-08-11

Filing date

1979-08-10

Publication date

1983-06-15

1979-08-10 Application filed by Squibb & Sons Inc filed Critical Squibb & Sons Inc

1983-06-15 Application granted granted Critical

1983-06-15 Publication of AR229081A1 publication Critical patent/AR229081A1/en

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/10—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/12—Oxygen or sulfur atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C327/00—Thiocarboxylic acids
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/10—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D207/16—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

Organic Chemistry (AREA)
Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Animal Behavior & Ethology (AREA)
Veterinary Medicine (AREA)
Cardiology (AREA)
Chemical Kinetics & Catalysis (AREA)
Bioinformatics & Cheminformatics (AREA)
Medicinal Chemistry (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
General Chemical & Material Sciences (AREA)
Pharmacology & Pharmacy (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Heart & Thoracic Surgery (AREA)
Pyrrole Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Peptides Or Proteins (AREA)

AR277678A 1978-08-11 1979-08-10 PROCEDURE TO PREPARE NEW MERCAPTOACILPROLINAS AR229081A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US93288378A	1978-08-11	1978-08-11
KR1019790002731A KR830002450B1 (en)	1978-08-11	1979-08-10	Method for preparing mercaptoacyl derivative of substituted proline

Publications (1)

Publication Number	Publication Date
AR229081A1 true AR229081A1 (en)	1983-06-15

Family

ID=26626596

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AR277678A AR229081A1 (en)	1978-08-11	1979-08-10	PROCEDURE TO PREPARE NEW MERCAPTOACILPROLINAS

Country Status (30)

Country	Link
JP (2)	JPS5527199A (en)
KR (1)	KR830002450B1 (en)
AR (1)	AR229081A1 (en)
AT (1)	AT379589B (en)
AU (1)	AU530690B2 (en)
BE (1)	BE878191A (en)
CA (1)	CA1144930A (en)
CH (1)	CH642064A5 (en)
CS (1)	CS228118B2 (en)
DD (1)	DD145749A5 (en)
DE (1)	DE2932021C2 (en)
DK (1)	DK154553C (en)
ES (1)	ES483311A1 (en)
FI (1)	FI69834C (en)
FR (1)	FR2435469A1 (en)
GB (1)	GB2028327B (en)
GR (1)	GR72420B (en)
IE (1)	IE48802B1 (en)
IN (1)	IN152712B (en)
IT (1)	IT1117782B (en)
LU (2)	LU81593A1 (en)
NL (2)	NL193374C (en)
NZ (1)	NZ191036A (en)
PH (1)	PH15030A (en)
PT (1)	PT70049A (en)
RO (1)	RO78870B (en)
SE (1)	SE447477B (en)
SU (1)	SU1066460A3 (en)
YU (1)	YU41876B (en)
ZA (1)	ZA793633B (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4483861A (en) *	1978-10-31	1984-11-20	Santen Pharmaceutical Co., Ltd.	Antihypertensive sulfur-containing compounds
CA1132985A (en) *	1978-12-22	1982-10-05	John Krapcho	Ketal and thioketal derivatives of mercaptoacyl prolines
US4347371A (en) *	1978-12-30	1982-08-31	Santen Pharmaceutical Co., Ltd.	Disulfide compounds
US4234489A (en) *	1979-06-25	1980-11-18	E. R. Squibb & Sons, Inc.	Pyroglutamic acid derivatives and analogs
US4288368A (en) *	1979-07-30	1981-09-08	E. R. Squibb & Sons, Inc.	Dithioacylproline derivatives
US4291040A (en) *	1979-10-22	1981-09-22	E. R. Squibb & Sons, Inc.	Mercaptoacyl derivatives of 4-disubstituted prolines and 4-substituted dehydroprolines
US4692458A (en) *	1980-03-05	1987-09-08	University Of Miami	Anti-hypertensive agents
AU542211B2 (en) *	1980-03-07	1985-02-14	Gruppo Lepetit S.P.A.	Mercaptocycloalkyl carbonyl prolines
GB2070586A (en) *	1980-03-21	1981-09-09	Squibb & Sons Inc	Derivatives of Proline or Pipecolic Acid
US4284624A (en)	1980-05-02	1981-08-18	E. R. Squibb & Sons, Inc.	Mixed disulfides
US4578474A (en) *	1980-06-23	1986-03-25	E. R. Squibb & Sons, Inc.	Imido, amido and amino derivatives of mercaptoacyl prolines and pipecolic acids
US4390695A (en) *	1980-06-23	1983-06-28	E. R. Squibb & Sons, Inc.	Imido, amido and amino derivatives of mercaptoacyl prolines and pipecolic acids
US4316905A (en) *	1980-07-01	1982-02-23	E. R. Squibb & Sons, Inc.	Mercaptoacyl derivatives of various 4-substituted prolines
US4332726A (en) *	1980-08-25	1982-06-01	E. R. Squibb & Sons, Inc.	Purification of mercaptoacyl amino acids
US4307110A (en) *	1980-09-12	1981-12-22	E. R. Squibb & Sons, Inc.	Mercaptoacyl derivatives of 3-substituted proline derivatives
US4311705A (en) *	1980-10-06	1982-01-19	E. R. Squibb & Sons, Inc.	Carboxyalkanoyl and hydroxycarbamoylalkanoyl derivatives of substituted prolines
US4312809A (en)	1980-10-31	1982-01-26	E. R. Squibb & Sons, Inc.	Lactam derivatives of mercaptoacylamino acids
US4462943A (en) *	1980-11-24	1984-07-31	E. R. Squibb & Sons, Inc.	Carboxyalkyl amino acid derivatives of various substituted prolines
US4337201A (en) *	1980-12-04	1982-06-29	E. R. Squibb & Sons, Inc.	Phosphinylalkanoyl substituted prolines
US4384123A (en) *	1980-12-04	1983-05-17	E. R. Squibb & Sons, Inc.	Phosphinylalkanoyl substituted prolines
US4416831A (en)	1981-04-27	1983-11-22	E. R. Squibb & Sons, Inc.	Amino and substituted amino phosphinylalkanoyl compounds
US4374131A (en)	1981-04-27	1983-02-15	E. R. Squibb & Sons, Inc.	Amino and substituted amino phosphinyl-alkanoyl compounds
US4416833A (en)	1981-05-04	1983-11-22	E. R. Squibb & Sons, Inc.	Substituted carbonyl phosphinyl-alkanoyl compounds
US4381297A (en)	1981-05-04	1983-04-26	E. R. Squibb & Sons, Inc.	Substituted carbonyl phosphinyl-alkanoyl compounds
US4497953A (en) *	1981-06-01	1985-02-05	E. R. Squibb & Sons, Inc.	Imido, amido and amino derivatives of mercaptoacyl prolines and pipecolic acids
US4377701A (en) *	1981-09-21	1983-03-22	E. R. Squibb & Sons, Inc.	4-Methylene-1-[[(alranoyl or arylcarbonyl)mercapto]acyl]proline and pipecolic acid
US4555506A (en) *	1981-12-24	1985-11-26	E. R. Squibb & Sons, Inc.	Phosphorus containing compounds and use as hypotensives
US4560680A (en) *	1982-03-15	1985-12-24	E. R. Squibb & Sons, Inc.	Aminoalkyl and related substituted phosphinic acid angiotensin converting enzyme inhibitors
US4452791A (en) *	1982-03-15	1984-06-05	E. R. Squibb & Sons, Inc.	Aminoalkyl and related substituted phosphinic acid angiotensin converting enzyme inhibitors
US4452790A (en) *	1982-06-23	1984-06-05	E. R. Squibb & Sons, Inc.	Phosphonyl hydroxyacyl amino acid derivatives as antihypertensives
US4703043A (en) *	1982-06-23	1987-10-27	E. R. Squibb & Sons, Inc.	Phosphonyl hydroxyacyl amino acid derivatives as antihypertensive
US4616005A (en) *	1982-06-23	1986-10-07	E. R. Squibb & Sons, Inc.	Phosphonyl hydroxyacyl amino acid derivatives as antihypertensives
US4567166A (en) *	1982-07-14	1986-01-28	E. R. Squibb & Sons, Inc.	Amino and substituted amino phosphinylalkanoyl compounds useful for treating hypertension
EP0187037A3 (en) *	1984-12-21	1988-03-23	Takeda Chemical Industries, Ltd.	Piperidine derivatives, their production and use
AU632596B2 (en) *	1989-08-21	1993-01-07	E.R. Squibb & Sons, Inc.	Phosphonate substituted amino or imino acids useful as antihypertensives
JPH05344844A (en) *	1992-06-12	1993-12-27	Suzumo Kiko Kk	Method for producing roasted rice ball cracker
EP0640594A1 (en)	1993-08-23	1995-03-01	Fujirebio Inc.	Hydantoin derivative as metalloprotease inhibitor
US5435286A (en) *	1994-05-02	1995-07-25	Cummins Engine Company, Inc.	Ball link assembly for vehicle engine drive trains
US7659305B2 (en)	2002-10-31	2010-02-09	Pfizer Inc.	Therapeutic proline derivatives
GB0225379D0 (en) *	2002-10-31	2002-12-11	Pfizer Ltd	Therapeutic proline derivatives
WO2006038119A1 (en) *	2004-10-08	2006-04-13	Warner-Lambert Company Llc	Stereoselective synthesis of n-protected alkoxy prolines
GB0715626D0 (en)	2007-08-10	2007-09-19	Generics Uk Ltd	Crystalline form of zofenopril calcium
US8853421B2 (en)	2008-02-27	2014-10-07	Generics [Uk] Limited	Crystalline forms of zofenopril calcium
CA2864562C (en) *	2008-02-27	2017-05-02	Generics [Uk] Limited	Novel crystalline forms
SI23949A (en)	2011-12-19	2013-06-28	Silverstone Pharma	The new crystalline salts of zofenopril, the procedure for obtaining them and their use in therapy

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2340092A2 (en) *	1976-02-09	1977-09-02	Roussel Uclaf	Analgesic (N)-thiazolyl-quinoline carboxamides - prepd. from the corresp. quinoline carboxylic acid and (2)-amino-thiazole
AU509899B2 (en) *	1976-02-13	1980-05-29	E.R. Squibb & Sons, Inc.	Proline derivatives and related compounds
US4116962A (en) *	1976-12-03	1978-09-26	E. R. Squibb & Sons, Inc.	Pyrrolidine and piperidine-2-carboxylic acid derivatives
US4113715A (en) *	1977-01-17	1978-09-12	E. R. Squibb & Sons, Inc.	Amino acid derivatives
US4108886A (en) *	1977-03-11	1978-08-22	E. R. Squibb & Sons, Inc.	Thiopropanoylamino acid derivatives
PH15381A (en) *	1978-02-21	1982-12-17	Squibb & Sons Inc	Halogen substituted mercaptoacylamino acids
US4154934A (en) *	1978-08-11	1979-05-15	E. R. Squibb & Sons, Inc.	Mercaptoacylamino derivatives of heterocyclic carboxylic acids

1979
- 1979-07-16 CA CA000331877A patent/CA1144930A/en not_active Expired
- 1979-07-17 NZ NZ191036A patent/NZ191036A/en unknown
- 1979-07-18 ZA ZA00793633A patent/ZA793633B/en unknown
- 1979-07-18 IN IN524/DEL/79A patent/IN152712B/en unknown
- 1979-07-18 GR GR59635A patent/GR72420B/el unknown
- 1979-07-24 AU AU49190/79A patent/AU530690B2/en not_active Expired
- 1979-07-30 FR FR7919590A patent/FR2435469A1/en active Granted
- 1979-08-01 PH PH22842A patent/PH15030A/en unknown
- 1979-08-03 IT IT49954/79A patent/IT1117782B/en active Protection Beyond IP Right Term
- 1979-08-07 DE DE2932021A patent/DE2932021C2/en not_active Expired - Lifetime
- 1979-08-07 YU YU1923/79A patent/YU41876B/en unknown
- 1979-08-08 AT AT0541679A patent/AT379589B/en not_active IP Right Cessation
- 1979-08-09 CS CS795462A patent/CS228118B2/en unknown
- 1979-08-09 DD DD79214896A patent/DD145749A5/en not_active IP Right Cessation
- 1979-08-10 SU SU792800304A patent/SU1066460A3/en active
- 1979-08-10 DK DK335879A patent/DK154553C/en not_active IP Right Cessation
- 1979-08-10 AR AR277678A patent/AR229081A1/en active
- 1979-08-10 SE SE7906722A patent/SE447477B/en active Protection Beyond IP Right Term
- 1979-08-10 IE IE1544/79A patent/IE48802B1/en active Protection Beyond IP Right Term
- 1979-08-10 ES ES483311A patent/ES483311A1/en not_active Expired
- 1979-08-10 PT PT70049A patent/PT70049A/en unknown
- 1979-08-10 FI FI792498A patent/FI69834C/en not_active IP Right Cessation
- 1979-08-10 CH CH737579A patent/CH642064A5/en not_active IP Right Cessation
- 1979-08-10 NL NL7906120A patent/NL193374C/en active Protection Beyond IP Right Term
- 1979-08-10 JP JP10272279A patent/JPS5527199A/en active Granted
- 1979-08-10 KR KR1019790002731A patent/KR830002450B1/en active
- 1979-08-10 BE BE0/196688A patent/BE878191A/en not_active IP Right Cessation
- 1979-08-10 GB GB7927867A patent/GB2028327B/en not_active Expired
- 1979-08-10 LU LU81593A patent/LU81593A1/en active Protection Beyond IP Right Term
- 1979-08-10 RO RO98428A patent/RO78870B/en unknown
1988
- 1988-12-21 JP JP63323204A patent/JPH01287069A/en active Pending
1999
- 1999-06-04 LU LU90403C patent/LU90403I2/en unknown
- 1999-08-04 NL NL990024C patent/NL990024I1/en unknown

Also Published As

Publication number	Publication date
NL193374B (en)	1999-04-01
YU192379A (en)	1983-02-28
SE7906722L (en)	1980-02-12
SE447477B (en)	1986-11-17
NZ191036A (en)	1984-05-31
GB2028327A (en)	1980-03-05
FR2435469A1 (en)	1980-04-04
BE878191A (en)	1980-02-11
RO78870A (en)	1982-07-06
DK154553C (en)	1989-04-17
PT70049A (en)	1979-09-01
NL990024I2 (en)	1999-11-01
SU1066460A3 (en)	1984-01-07
FI69834C (en)	1986-05-26
JPH0134987B2 (en)	1989-07-21
DK335879A (en)	1980-02-12
CS228118B2 (en)	1984-05-14
CA1144930A (en)	1983-04-19
YU41876B (en)	1988-02-29
AT379589B (en)	1986-01-27
DK154553B (en)	1988-11-28
DD145749A5 (en)	1981-01-07
LU81593A1 (en)	1979-12-07
PH15030A (en)	1982-05-13
DE2932021A1 (en)	1980-02-21
AU4919079A (en)	1980-02-14
DE2932021C2 (en)	1994-05-19
FI792498A (en)	1980-02-12
ES483311A1 (en)	1980-04-16
IE48802B1 (en)	1985-05-15
ZA793633B (en)	1980-07-30
GB2028327B (en)	1982-11-24
NL193374C (en)	1999-08-03
IT1117782B (en)	1986-02-24
NL7906120A (en)	1980-02-13
JPS5527199A (en)	1980-02-27
IE791544L (en)	1980-02-11
KR830001269A (en)	1983-04-29
RO78870B (en)	1985-01-30
ATA541679A (en)	1985-06-15
JPH01287069A (en)	1989-11-17
KR830002450B1 (en)	1983-10-26
FI69834B (en)	1985-12-31
LU90403I2 (en)	2000-07-07
IT7949954A0 (en)	1979-08-03
GR72420B (en)	1983-11-03
CH642064A5 (en)	1984-03-30
NL990024I1 (en)	1999-11-01
AU530690B2 (en)	1983-07-28
IN152712B (en)	1984-03-17
FR2435469B1 (en)	1983-02-11

Publication	Publication Date	Title
AR229081A1 (en)	1983-06-15	PROCEDURE TO PREPARE NEW MERCAPTOACILPROLINAS
MX5995E (en)	1984-09-18	PROCEDURE TO PREPARE 6-N-PROPIL-8-METHYLMARKET-METHYLERGOLINS
MX5926E (en)	1984-08-29	PROCEDURE TO PREPARE 4-PYRIMIDONES
MX7035E (en)	1987-03-06	PROCEDURE TO PREPARE 3-ISOXAZOLIDINONE
AR225301A1 (en)	1982-03-15	PROCEDURE FOR PREPARING NORTROPIL-ALKYL BENZAMIDES
ES496714A0 (en)	1982-05-01	PROCEDURE TO PREPARE ALPHA-ARYL-1H-1,2,4-TRIAZOL-1- ETHANOLS
ES496713A0 (en)	1982-05-01	PROCEDURE TO PREPARE ALPHA-ARIL-IN-IMIDAZOLE-1-ETHANOLS
MX5604E (en)	1983-11-07	PROCEDURE FOR PREPARING ARIL-HYDANTOIN
AR230995A1 (en)	1984-08-31	PROCEDURE TO PRODUCE N-PHOSPHONE-METHYLGLYCIN
ES491196A0 (en)	1981-04-01	PROCEDURE TO PREPARE NEW ANTRACENE-9, 10-BIS-CAR- BONILHIDRAZONAS
AR226704A1 (en)	1982-08-13	PROCEDURE TO PREPARE 6-PIRIDINIL-3 (2H) -PIRIDACINONAS
AR219792A1 (en)	1980-09-15	PROCEDURE TO PREPARE S-HALOALQUENIL DIISOALQUILTIOCARBAMATOS
AR225318A1 (en)	1982-03-15	PROCEDURE TO PREPARE SUBSTITUTED PHENYL-PROPIL-MORPHOLINS
AR226546A1 (en)	1982-07-30	PROCEDURE TO PURIFY (N-PIRAZOLIL-1-METHYL) -HALOACETHANILIDES
MX5351E (en)	1983-06-28	PROCEDURE TO PREPARE 4-ALKYLTIO-2-TRIFLUOROMETILALCANSULFONANILIDAS
AR223161A1 (en)	1981-07-31	PROCEDURE FOR PREPARING N-ETHYLETHYLEDIAMINE
BR7904475A (en)	1980-03-25	STRUCTURE FOR TEARES
MX150040A (en)	1984-03-05	IMPROVED PROCEDURE FOR PREPARING 3-METHYL-CYCLOPENTADECANONE
AR227620A1 (en)	1982-11-30	PROCEDURE TO PREPARE 4-DESACETOXI-4-ALFA-HIDROXIINDOLDIHIDROINDOLES
AR224173A1 (en)	1981-10-30	PROCEDURE FOR OBTAINING NEW CYCLOALYPHATIC KETOAMINES
AR224124A1 (en)	1981-10-30	PROCEDURE TO PREPARE 4-HALO-PREGNA-1,4-DIENO-3,20-DIONAS
AR213309A1 (en)	1979-01-15	PROCEDURE TO PREPARE SUBSTITUTE 2-AMINO-ISOTIOUREIDOBENZENES
AR223493A1 (en)	1981-08-31	PROCEDURE TO PREPARE ((QUINOLIL-4) -3-PROPIL-1) -4-PIPERIDINES
ES491769A0 (en)	1981-06-01	PROCEDURE TO PREPARE PIRIDOPIRIMIDINAS
MX4638E (en)	1982-07-14	PROCESS TO PREPARE 1-TIAZOLIL IMIDAZOLIDINONAS