Asymmetric Conjugate Addition of α-Cyanoketones to Enones Using Diaminomethylenemalononitrile Organocatalyst

Autor: Yuta Noda, Kosuke Nakashima, Shin-ichi Hirashima, Yuji Koseki, Tsuyoshi Miura
Rok vydání: 2018
Předmět:
Zdroj: The Journal of Organic Chemistry. 83:2402-2408
ISSN: 1520-6904
0022-3263
Popis: A diaminomethylenemalononitrile organocatalyst efficiently catalyzed the asymmetric conjugate addition of α-cyanoketones to vinyl ketones to give the corresponding 1,5-dicarbonyl compounds, which bear an all-carbon quaternary stereogenic center with high enantioselectivities. This report is the first example of the asymmetric conjugate addition of α-cyanoketones to vinyl ketones using an organocatalyst.
Databáze: OpenAIRE