ASYMMETRIC CATALYTIC DECARBOXYLATIVE ALKYL ALKYLATION USING LOW CATALYST CONCENTRATIONS AND A ROBUST PRECATALYST
申请人:Stoltz Brian M.
公开号:US20160280623A1
公开(公告)日:2016-09-29
This invention provides efficient and scalable enantioselective methods that yield 2-alkyl-2-allylcycloalkyanone compounds with quaternary stereogenic centers. Methods include the method for the preparation of a compound of formula (I):
comprising treating a compound of formula (II) or (III):
with a palladium (II) catalyst under alkylation conditions.
Asymmetric catalytic decarboxylative alkyl alkylation using low catalyst concentrations and a robust precatalyst
申请人:California Institute of Technology
公开号:US10106479B2
公开(公告)日:2018-10-23
This invention provides efficient and scalable enantioselective methods that yield 2-alkyl-2-allylcycloalkyanone compounds with quaternary stereogenic centers. Methods include the method for the preparation of a compound of formula (I):
comprising treating a compound of formula (II) or (III):
with a palladium (II) catalyst under alkylation conditions.
本发明提供了高效且可扩展的对映体选择性方法,可得到具有季立体中心的 2-烷基-2-烯丙基环烷酮化合物。方法包括制备式(I)化合物的方法:
包括处理式(II)或(III)化合物:
在烷基化条件下使用钯 (II) 催化剂。
GOYAL S. C.; GUPTA S. M., INDIAN J. CHEM., 1977, B 15, NO 8, 758-760
作者:GOYAL S. C.、 GUPTA S. M.
DOI:——
日期:——
[EN] ASYMMETRIC CATALYTIC DECARBOXYLATIVE ALKYL ALKYLATION USING LOW CATALYST CONCENTRATIONS AND A ROBUST PRECATALYST<br/>[FR] ALKYLATION DÉCARBOXYLATIVE CATALYTIQUE ASYMÉTRIQUE D'ALKYLE AU MOYEN DE FAIBLES CONCENTRATIONS DE CATALYSEUR ET D'UN PRÉCATALYSEUR ROBUSTE
申请人:STOLTZ BRIAN M
公开号:WO2016160579A1
公开(公告)日:2016-10-06
This invention provides efficient and scalable enantioselective methods that yield 2-alkyl-2-allylcycloalkyanone compounds with quaternary stereogenic centers. Methods include the method for the preparation of a compound of formula (I), comprising treating a compound of formula (II) or (III), with a palladium (II) catalyst under alkylation conditions.
Lithium naphthalenide induced reductive alkylation of α-cyano ketones. A general method for regiocontrol of α, α-dialkylation of ketones
作者:Hsing-Jang Liu、Jia-Liang Zhu、Kak-Shan Shia
DOI:10.1016/s0040-4039(98)00780-1
日期:1998.6
An efficient generalmethod for the consecutive introduction of two alkyl groups to the α carbon of a ketone carbonyl has been developed, making use of the lithium naphthalenide induced reductive alkylation of an α-cyano ketone system as a key operation.