Methods for the Preparation of Thiazolidinethione Indene-Based Chiral Auxiliaries
申请人:Olivo Horacio F.
公开号:US20100179330A1
公开(公告)日:2010-07-15
Methods for the preparation of indene-based thiazolidinethiones are provided comprising contacting 1-amino-2,3-dihydro-1H-inden-2-ol, or a substituted derivative thereof, with an acid under suitable reaction conditions to provide a first intermediate; and contacting the first intermediate with an alkali xanthate in the presence of an alkali hydroxide under suitable reaction conditions to provide a compound of formula (III),
wherein R
1
-R
8
are defined herein.
[EN] PROCESSES FOR PRODUCING OPTICALLY PURE ß-LACTONES FROM ALDEHYDES AND COMPOSITIONS PRODUCED THEREBY<br/>[FR] PROCÉDÉS DE FABRICATION DE BÊTA-LACTONES OPTIQUEMENT PURES À PARTIR D'ALDÉHYDES ET COMPOSITIONS OBTENUES PAR CES PROCÉDÉS
申请人:UNIV TOLEDO
公开号:WO2011028309A1
公开(公告)日:2011-03-10
Bi-functional cobalt-containing catalysts useful for making stereo specific compounds and compositions, along with methods of making, and uses thereof in the syntheses of optically pure β-lactones from aldehydes and ketene are described. Precursors, intermediates, compositions, and particular features of the use if the compositions, such as high enantiomeric selectivity, high yield and low mole percent of catalyst useful are provided.
[EN] SCALEABLE PREPARATION OF POLYKETIDES<br/>[FR] PRÉPARATION DE POLYCÉTIDES POUVANT ÊTRE MISE À L'ÉCHELLE
申请人:UNIV CALIFORNIA
公开号:WO2021026273A1
公开(公告)日:2021-02-11
Disclosed herein, inter alia, are methods of making polyketide compounds.
在此披露的内容包括制备聚酮化合物的方法。
Synthesis of epothilones, intermediates thereto and analogues thereof
申请人:——
公开号:US20030176368A1
公开(公告)日:2003-09-18
The present invention provides compounds of formula (I):
1
as described generally and in classes and subclasses herein. The present invention additionally provides pharmaceutical compositions comprising compounds of formula (I) and provides methods of treating cancer comprising administering a compound of formula (I).
[EN] NOVEL PROCESSES FOR THE PRODUCTION OF USEFUL INTERMEDIATES<br/>[FR] NOUVEAUX PROCEDES DE PRODUCTION D'INTERMEDIAIRES UTILES
申请人:SOD CONSEILS RECH APPLIC
公开号:WO2006033011A1
公开(公告)日:2006-03-30
The present application relates to a new process for the asymmetric production of 3-(pyridin-4-yl)-3-hydroxy-pentanoic acid derivatives, which are useful intermediates in the manufacture of compounds that are known to show antiproliferative activity.