A novel method for generation of carbenoid from α-chloro sulfoxides: A new and versatile procedure for one-carbon homologation of carbonyl compounds to carbonyl compounds having an α-alkyl substituent
作者:Tsuyoshi Satoh、Norifumi Itoh、Kaoru Gengyo、Koji Yamakawa
DOI:10.1016/s0040-4039(00)60819-5
日期:——
Addition of the carbanion of 1-chloroalkyl p-tolyl sulfoxides to carbonyl compound gave the adducts, which were treated with a base followed by t-butyllithium to afford one-carbon homologated carbonyl compounds having an alkyl group at the α-position, via the β-oxido carbenoids, in moderate to good yields.
将1-氯烷基对甲苯基亚砜的碳负离子加到羰基化合物上,得到加合物,将其用碱处理,然后用叔丁基锂处理,以得到通过α-位在烷基上具有烷基的一碳均聚羰基化合物。 β-氧化类胡萝卜素,产量中等至良好。