JPH043389B2 - - Google Patents

Info

Publication number
JPH043389B2
JPH043389B2 JP23207485A JP23207485A JPH043389B2 JP H043389 B2 JPH043389 B2 JP H043389B2 JP 23207485 A JP23207485 A JP 23207485A JP 23207485 A JP23207485 A JP 23207485A JP H043389 B2 JPH043389 B2 JP H043389B2
Authority
JP
Japan
Prior art keywords
general formula
dimethyl
vitamin
reaction
trimethyl
Prior art date
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
JP23207485A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6289657A (ja
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.)
Filing date
Publication date
Application filed filed Critical
Priority to JP23207485A priority Critical patent/JPS6289657A/ja
Priority to EP85115268A priority patent/EP0187259B2/en
Priority to DE8585115268T priority patent/DE3578169D1/de
Priority to US06/804,252 priority patent/US4825006A/en
Priority to DK009486A priority patent/DK171415B1/da
Priority to FI860094A priority patent/FI84264C/fi
Publication of JPS6289657A publication Critical patent/JPS6289657A/ja
Priority to US07/215,167 priority patent/US4876400A/en
Priority to DK91651A priority patent/DK65191D0/da
Priority to DK91654A priority patent/DK65491D0/da
Priority to DK91653A priority patent/DK65391D0/da
Priority to DK065291A priority patent/DK65291A/da
Publication of JPH043389B2 publication Critical patent/JPH043389B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP23207485A 1985-01-10 1985-10-16 ビタミンａ又はそのカルボン酸エステルの製造方法 Granted JPS6289657A (ja)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP23207485A JPS6289657A (ja) 1985-10-16 1985-10-16 ビタミンａ又はそのカルボン酸エステルの製造方法
EP85115268A EP0187259B2 (en) 1985-01-10 1985-12-02 Process for producing vitamin A or its carboxylic acid esters, and intermediate compounds useful for the process
DE8585115268T DE3578169D1 (de) 1985-01-10 1985-12-02 Verfahren zur herstellung von vitamin a oder seinen carbonsaeureestern und zwischenprodukte und ihre verwendung in diesem verfahren.
US06/804,252 US4825006A (en) 1985-01-10 1985-12-03 Process for producing vitamin A or its carboxylic acid esters, and intermediate compounds useful for the process
FI860094A FI84264C (fi) 1985-01-10 1986-01-09 Foerfarande foer framstaellning av vitamin-a och karboxylsyraestrar daerav och vid foerfarandet anvaendbara mellanprodukter.
DK009486A DK171415B1 (da) 1985-01-10 1986-01-09 Fremgangsmåde til fremstilling af Vitamin A
US07/215,167 US4876400A (en) 1985-01-10 1988-07-05 Process for producing vitamin A or its carboxylic acid esters, and itermediate compounds useful for the process
DK91651A DK65191D0 (da) 1985-01-10 1991-04-11 Mellemprodukt til fremstilling af vitamin a eller estere deraf samt fremgangsmaade til dets fremstilling
DK91654A DK65491D0 (da) 1985-01-10 1991-04-11 Mellemprodukt til fremstilling af vitamin a eller estere deraf samt fremgangsmaade til dets fremstilling
DK91653A DK65391D0 (da) 1985-01-10 1991-04-11 Mellemprodukt til fremstilling af vitamin a eller estere deraf samt fremgangsmaade til dets fremstilling
DK065291A DK65291A (da) 1985-01-10 1991-04-11 Mellemprodukt til fremstilling af vitamin a eller estere deraf samt fremgangsmaade til dets fremstilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23207485A JPS6289657A (ja) 1985-10-16 1985-10-16 ビタミンａ又はそのカルボン酸エステルの製造方法

Publications (2)

Publication Number Publication Date
JPS6289657A JPS6289657A (ja) 1987-04-24
JPH043389B2 true JPH043389B2 (enrdf_load_stackoverflow) 1992-01-23

Family

ID=16933580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23207485A Granted JPS6289657A (ja) 1985-01-10 1985-10-16 ビタミンａ又はそのカルボン酸エステルの製造方法

Country Status (1)

Country Link
JP (1) JPS6289657A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1921058A1 (en) * 2006-11-10 2008-05-14 DSMIP Assets B.V. Process for the preparation of ionones and vitamin A, vitamin A derivatives, carotenes and carotenoids
CN113677662B (zh) * 2019-04-15 2024-07-16 帝斯曼知识产权资产管理有限公司 特定的脱氢方法(i)

Also Published As

Publication number Publication date
JPS6289657A (ja) 1987-04-24

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees