New cinchona‐based primary amine catalysts were prepared and screened as organocatalysts for the γ‐alkylation of α,β‐unsaturated aldehydes with bis(4‐dimethylaminophenyl)methanol. Catalyst C3 containing acetic acid group yielded γ‐alkylated products with good enatioselectivities.
制备了新的基于
金鸡纳的
伯胺催化剂,并将其筛选为用双(4-二甲基
氨基苯基)
甲醇将α,β-不饱和醛进行γ-烷基化的有机催化剂。含有
乙酸基团的催化剂C3产生具有良好对映选择性的γ-烷基化产物。