ES451930A1 - Un procedimiento para la sintesis de 2,3-dimetoxi-5-metil- 1,4 - benzoquinonas 6-sustituidos. - Google Patents

Un procedimiento para la sintesis de 2,3-dimetoxi-5-metil- 1,4 - benzoquinonas 6-sustituidos.

Info

Publication number: ES451930A1
Authority: ES; Spain
Prior art keywords: methyl; trimethoxyphenol; image; ester; prenol
Prior art date: 1975-09-29
Legal status (The legal status 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 status listed.): Expired

Application number

ES451930A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Eisai Co Ltd

Original Assignee

Eisai Co Ltd

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.)

1975-09-29

Filing date

1976-09-28

Publication date

1977-12-01

1976-09-28 Application filed by Eisai Co Ltd filed Critical Eisai Co Ltd

1977-12-01 Publication of ES451930A1 publication Critical patent/ES451930A1/es

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title abstract 2
230000015572 biosynthetic process Effects 0.000 title 1
ACTIUHUUMQJHFO-UPTCCGCDSA-N coenzyme Q10 Chemical class COC1=C(OC)C(=O)C(C\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)=C(C)C1=O ACTIUHUUMQJHFO-UPTCCGCDSA-N 0.000 title 1
238000003786 synthesis reaction Methods 0.000 title 1
-1 2,3-dimethoxy-5-methyl-6-substituted-1,4-benzoquinones Chemical class 0.000 abstract 4
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 3
239000004327 boric acid Substances 0.000 abstract 3
150000002148 esters Chemical class 0.000 abstract 2
CPJRRXSHAYUTGL-UHFFFAOYSA-N isopentenyl alcohol Chemical compound CC(=C)CCO CPJRRXSHAYUTGL-UHFFFAOYSA-N 0.000 abstract 2
UGNJWQMNCJYWHG-UHFFFAOYSA-N 2,3,4-trimethoxy-6-methylphenol Chemical compound COC1=CC(C)=C(O)C(OC)=C1OC UGNJWQMNCJYWHG-UHFFFAOYSA-N 0.000 abstract 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
150000001875 compounds Chemical class 0.000 abstract 1
125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
230000003301 hydrolyzing effect Effects 0.000 abstract 1
239000007800 oxidant agent Substances 0.000 abstract 1
230000001590 oxidative effect Effects 0.000 abstract 1
230000002194 synthesizing effect Effects 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/04—Esters of boric acids
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
- C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C50/00—Quinones
- C07C50/26—Quinones containing groups having oxygen atoms singly bound to carbon atoms
- C07C50/28—Quinones containing groups having oxygen atoms singly bound to carbon atoms with monocyclic quinoid structure

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

ES451930A 1975-09-29 1976-09-28 Un procedimiento para la sintesis de 2,3-dimetoxi-5-metil- 1,4 - benzoquinonas 6-sustituidos. Expired ES451930A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP50116399A JPS5925772B2 (ja)	1975-09-29	1975-09-29	補効素ｑ類化合物の合成方法

Publications (1)

Publication Number	Publication Date
ES451930A1 true ES451930A1 (es)	1977-12-01

Family

ID=14686069

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES451930A Expired ES451930A1 (es)	1975-09-29	1976-09-28	Un procedimiento para la sintesis de 2,3-dimetoxi-5-metil- 1,4 - benzoquinonas 6-sustituidos.

Country Status (6)

Country	Link
US (1)	US4062879A (es)
JP (1)	JPS5925772B2 (es)
DE (1)	DE2642415C2 (es)
ES (1)	ES451930A1 (es)
FR (1)	FR2332256A1 (es)
GB (1)	GB1566875A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53108934A (en) *	1977-03-07	1978-09-22	Eisai Co Ltd	2-methyl-3-prenul-4,5,6-trimethoxy-phenol and its preparation
US4914217A (en) *	1987-12-18	1990-04-03	Hoffmann-La Roche Inc.	Asymmetric synthesis of natural vitamin E
US4855085A (en) *	1987-12-18	1989-08-08	Hoffmann-La Roche Inc.	Asymmetric synthesis of natural vitamin E
US7528271B2 (en) *	2007-05-16	2009-05-05	Bergen Teknologioverforing As	Intermediates, process for their preparation and synthesis of 1,4-benzoquiones

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3068295A (en) *		1962-12-11		diether groups
CH376898A (de) *	1958-08-07	1964-04-30	Hoffmann La Roche	Verfahren zur Herstellung von in 6-Stellung substituierten 2,3-Dimethoxy-5-methyl-benzohydrochinonen-(1,4) bzw.-benzochinonen-(1,4)
JPS5245698B2 (es) *	1973-04-06	1977-11-17

1975
- 1975-09-29 JP JP50116399A patent/JPS5925772B2/ja not_active Expired
1976
- 1976-09-21 DE DE2642415A patent/DE2642415C2/de not_active Expired
- 1976-09-22 US US05/725,447 patent/US4062879A/en not_active Expired - Lifetime
- 1976-09-28 GB GB40128/76A patent/GB1566875A/en not_active Expired
- 1976-09-28 ES ES451930A patent/ES451930A1/es not_active Expired
- 1976-09-29 FR FR7629270A patent/FR2332256A1/fr active Granted

Also Published As

Publication number	Publication date
JPS5925772B2 (ja)	1984-06-21
FR2332256B1 (es)	1979-08-31
FR2332256A1 (fr)	1977-06-17
GB1566875A (en)	1980-05-08
JPS5242837A (en)	1977-04-04
DE2642415A1 (de)	1977-04-07
US4062879A (en)	1977-12-13
DE2642415C2 (de)	1985-05-30

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