BR0212388A - Processo para a preparação de beta-ionilidenoacetaldeìdo - Google Patents

Processo para a preparação de beta-ionilidenoacetaldeìdo

Info

Publication number
BR0212388A
BR0212388A BR0212388-6A BR0212388A BR0212388A BR 0212388 A BR0212388 A BR 0212388A BR 0212388 A BR0212388 A BR 0212388A BR 0212388 A BR0212388 A BR 0212388A
Authority
BR
Brazil
Prior art keywords
preparation
beta
ionylidene acetaldehyde
ionylidene
acetaldehyde
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.)
Pending
Application number
BR0212388-6A
Other languages
English (en)
Inventor
Mohammad Salman
Purna Chandra Ray
Naresh Kumar
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.)
Ranbaxy Laboratories Ltd
Original Assignee
Ranbaxy Laboratories 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.)
Filing date
Publication date
Application filed by Ranbaxy Laboratories Ltd filed Critical Ranbaxy Laboratories Ltd
Publication of BR0212388A publication Critical patent/BR0212388A/pt
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/14—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by doubly-bound oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
    • C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C33/00—Unsaturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C33/05—Alcohols containing rings other than six-membered aromatic rings
    • C07C33/14—Alcohols containing rings other than six-membered aromatic rings containing six-membered rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/06—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by singly-bound oxygen atoms
    • C07C403/08—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by singly-bound oxygen atoms by hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
    • C07C403/20—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by carboxyl groups or halides, anhydrides, or (thio)esters thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/09—Geometrical isomers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fats And Perfumes (AREA)

Abstract

"PROCESSO PARA A PREPARAçãO DE <225>-IONILIDENOACETALDEìDO". A presente invenção refere-se a um processo industrialmente vantajoso para a preparação de beta-ionilidenoacetaldeído de Fórmula estrutural I, que é um intermediário chave para a síntese da vitamina A e compostos correlatos, tais como tretinoína e isotretinoína. FORMULA I.
BR0212388-6A 2001-08-24 2002-08-23 Processo para a preparação de beta-ionilidenoacetaldeìdo Pending BR0212388A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN880DE2001 IN191834B (pt) 2001-08-24 2001-08-24
PCT/IB2002/003432 WO2003018522A2 (en) 2001-08-24 2002-08-23 Process for the preparation of beta-ionylideneacetaldehyde

Publications (1)

Publication Number Publication Date
BR0212388A true BR0212388A (pt) 2004-08-17

Family

ID=11097102

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0212388-6A Pending BR0212388A (pt) 2001-08-24 2002-08-23 Processo para a preparação de beta-ionilidenoacetaldeìdo

Country Status (9)

Country Link
US (1) US20050027143A1 (pt)
EP (1) EP1421054A2 (pt)
CN (1) CN1612854A (pt)
AU (1) AU2002324291A1 (pt)
BR (1) BR0212388A (pt)
IN (1) IN191834B (pt)
NO (1) NO20041193L (pt)
PL (1) PL368905A1 (pt)
WO (1) WO2003018522A2 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016079103A1 (en) * 2014-11-18 2016-05-26 Basf Se Process for the preparation of 1-(2,6,6-trimethylcyclohexyl)-alkan-3-ols
FR3085036B1 (fr) * 2018-08-20 2020-09-25 Adisseo France Sas Procede de synthese de la vitamine a
CN112390737A (zh) * 2020-10-28 2021-02-23 肇庆巨元生化有限公司 一种β-阿朴-8’-胡萝卜素醛的制备方法

Also Published As

Publication number Publication date
AU2002324291A1 (en) 2003-03-10
WO2003018522A3 (en) 2003-05-30
US20050027143A1 (en) 2005-02-03
WO2003018522A2 (en) 2003-03-06
NO20041193L (no) 2004-03-22
PL368905A1 (en) 2005-04-04
IN191834B (pt) 2004-01-10
EP1421054A2 (en) 2004-05-26
CN1612854A (zh) 2005-05-04

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]