Novel chiral compounds derived from hexanoic acid esters, preparation process and intermediates, use in the synthesis of chiral 2-(bromomethyl)-2-ethylhexanoic acid
Novel chiral compounds derived from hexanoic acid esters, preparation process and intermediates, use in the synthesis of chiral 2-(bromomethyl)-2-ethylhexanoic acid
NOVEL PROCESS FOR THE PREPARATION OF CHIRAL COMPOUNDS DERIVED FROM HEXANOIC ACID ESTERS AND INTERMEDIATES USED IN THE SYNTHESIS OF CHIRAL2-(BROMOMETHYL)-2-ETHYLHEXANOIC ACID
申请人:CROCO-STUERGA Veronique
公开号:US20080108847A1
公开(公告)日:2008-05-08
The present invention comprises a novel process for the preparation of a chiral compound of formula (I)
wherein R
1
is hydroxyl or a group which activates the carboxyl and R
2
is alkyl optionally substituted by halogen or benzyl, its preparation, its application in the synthesis of chiral 2-bromomethyl-2-ethylhexanoic acid and novel intermediates.
NOVEL PROCESS FOR THE PREPARATION OF CHIRAL COMPOUNDS DERIVED FROM HEXANOIC ACID ESTERS AND INTERMEDIATES USED IN THE SYNTHESIS OF CHIRAL-2-(BROMOMETHYL)-2-ETHYLHEXANOIC ACID
申请人:Crocq-Stuerga Veronique
公开号:US20100160670A1
公开(公告)日:2010-06-24
The present invention comprises a novel process for the preparation of a chiral compound of formula (I)
wherein R
1
is hydroxyl or a group which activates the carboxyl and R
2
is alkyl optionally substituted by halogen or benzyl, its preparation, its application in the synthesis of chiral 2-bromomethyl-2-ethylhexanoic acid and novel intermediates.
NOVEL PROCESS FOR THE PREPARATION OF CHIRAL COMPOUNDS DERIVED FROM HEXANOIC ACID ESTERS AND INTERMEDIATES USED IN THE SYNTHESIS OF CHIRAL 2-(BROMOMETHYL)-2-ETHYLHEXANOIC ACID
申请人:CROCQ-STUERGA Veronique
公开号:US20090163737A1
公开(公告)日:2009-06-25
The present invention comprises a novel process for the preparation of a chiral compound of formula (I)
wherein R
1
is hydroxyl or a group which activates the carboxyl and R
2
is alkyl optionally substituted by halogen or benzyl, its preparation, its application in the synthesis of chiral 2-bromomethyl-2-ethylhexanoic acid and novel intermediates.
NOUVEAUX COMPOSES CHIRAUX DERIVES D'ESTERS DE L'ACIDE HEXANOIQUE, PROCEDE ET INTERMEDIAIRES DE PREPARATION, UTILISATION A LA SYNTHESE DE L'ACIDE 2-(BROMOMETHYL) 2-ETHYL HEXANOIQUE CHIRAL
申请人:Aventis Pharma S.A.
公开号:EP1578714B1
公开(公告)日:2007-08-08
[EN] NOVEL CHIRAL COMPOUNDS DERIVED FROM HEXANOIC ACID ESTERS, METHOD AND INTERMEDIATE CHEMICALS FOR THE PREPARATION AND USE THEREOF FOR SYNTHESIS OF 2-(BROMOMETHYL)2-ETHYL HEXANOIC CHIRAL ACID<br/>[FR] NOUVEAUX COMPOSES CHIRAUX DERIVES D'ESTERS DE L'ACIDE HEXANOIQUE, PROCEDE ET INTERMEDIAIRES DE PREPARATION, UTILISATION A LA SYNTHESE DE L'ACIDE 2-(BROMOMETHYL) 2-ETYL HEXANOIQUE CHIRAL
申请人:AVENTIS PHARMA SA
公开号:WO2004058678A1
公开(公告)日:2004-07-15
L’invention a pour objet un composé chiral de formule (I) où R1 est hydroxy ou un groupe activateur du carboxy et R2 est alkyle éventuellement substitué par halogène ou benzyle, sa préparation, son application à la synthèse de l’acide 2-bromométyl-2éthylhexanoique chiral et des intermédiaires nouveaux.