作者:Zhou Li、Vladimir Gevorgyan
DOI:10.1002/anie.201006966
日期:2011.3.14
An unprecedented reaction mode of cyanogen bromide has been discovered. Under basic conditions, cyanogen bromide acts as an equivalent of both Br+ and CN− to convert enolizable ketones into the corresponding cyanoepoxides in good yields. This unique reaction mode provides new, one‐pot access to densely substituted cyanoepoxides from easily available ketones (see scheme).
已经发现了前所未有的溴化氰反应模式。在碱性条件下,溴化氰同时充当Br中的等效+和CN -至烯醇化的酮转化成良好产率的相应cyanoepoxides。这种独特的反应模式为从容易获得的酮类中稠密取代的氰基环氧化物提供了新的一锅通(见方案)。