Sodium Borohydride as the Only Reagent for the Efficient Reductive Alkylation of Malononitrile with Ketones and Aldehydes
作者:Robert E. Sammelson、Jason C. Dunham、Adam D. Richardson
DOI:10.1055/s-2006-926307
日期:——
malononitriles has been developed. In this method, sodium borohydride in isopropanol has a catalytic effect on the initial condensation between malononitrile and aldehydes or ketones at 0 °C. The sodium borohydride also simultaneously acts as a reagent and reduces the unsaturated intermediate formed in situ by the condensation. This simple reductive alkylation method effectively consumes all malononitrile
Catalytic and highly regiospecific carbon–carbon bond formation at α-position of Michael acceptor by palladium complex
作者:Jae-Goo Shim、Jong Chul Park、Chan Sik Cho、Sang Chul Shim、Yoshinori Yamamoto
DOI:10.1039/b201545p
日期:2002.4.11
Activated olefins react with allyl acetates and Bu3SnH in the presence of a catalytic amount of a palladium catalyst to afford the corresponding products which construct a new CâC bond selectively at the α-position of Michael acceptors.