ORGANIC COMPOUNDS AND PROCESSES FOR THEIR MANUFACTURE
申请人:EXXON CHEMICAL PATENTS INC.
公开号:EP0804402A1
公开(公告)日:1997-11-05
US6090986A
申请人:——
公开号:US6090986A
公开(公告)日:2000-07-18
US6307093B1
申请人:——
公开号:US6307093B1
公开(公告)日:2001-10-23
[EN] ORGANIC COMPOUNDS AND PROCESSES FOR THEIR MANUFACTURE<br/>[FR] COMPOSES ORGANIQUES ET LEURS PROCEDES DE PRODUCTION
申请人:EXXON CHEMICAL PATENTS INC.
公开号:WO1996022268A1
公开(公告)日:1996-07-25
(EN) Esters of branched C9 alcohols suitable as plasticizers are formed by esterification of a C9 alcohol produced by the aldol condensation from propanal and a C6 aldehyde and hydrogenation, the propanal optionally having been made from natural gas streams.(FR) On obtient des esters d'alcools C9 ramifiés s'utilisant comme plastifiants en estérifiant un alcool C9 produit par condensation d'aldol à partir de propanal et d'un aldéhyde C6, et en effectuant ensuite une hydrogénation, le propanal ayant été éventuellement produit à partir de courants de gaz naturel.
Pd-catalyzed hydrogenolysis of 4,5-epoxy-2-alkenoates: model study of the acyl side-chain of polyoxypeptin
Palladium-catalyzedhydrogenolysis of 4,5-epoxy-2-alkenoates to 5-hydroxy-2-alkenoates was examined, and it was shown that the (Z)-alkenoate with a bulky substituent at C-4 underwent hydrogenolysis with a decrease in the stereospecificity. Mechanistic considerations and steps for improvement of the stereospecificity are also presented.