Process for the preparation of alpha-cyanobenzyl esters
申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0002288A1
公开(公告)日:1979-06-13
process for the preparation of an ester of the general formula:
wherein R represents an optionally-substituted hydrocarbyl group and A represents a hydrogen atom, or a phenoxy, phenylthio or benzyl group by reacting a benzaldehyde of the general formula:
with an acid anhydride of the general formula:
wherein R has the same meaning as in formula I, in the presence of water and a water-soluble cyanide.
通式如下的酯的制备工艺
式中 R 代表任选取代的烃基,A 代表氢原子或苯氧基、苯硫基或苄基:
与通式为
式中 R 的含义与式Ⅰ中的含义相同。