作者:Nandini C. Patel、Jacob B. Schwarz、Khondaker Islam、Whitney Miller、Tuan P. Tran、Yunjing Wei
DOI:10.1080/00397911.2010.501472
日期:2011.8
[image omitted] Cyclopropyl cyanoesters 2 were reliably converted to -lactones 4 on treatment with aqueous sulfuric acid. The cyanoesters could be easily prepared from ketones or aldehydes in two steps, making this process particularly attractive from an efficiency standpoint.