作者:D Krishnaswamy、V.V Govande、V.K Gumaste、B.M Bhawal、A.R.A.S Deshmukh
DOI:10.1016/s0040-4020(02)00094-7
日期:2002.3
An efficient use of triphosgene, as an acid activator, for the synthesis of substituted azetidin-2-ones via ketene-imine cyclo-addition reaction using various acids and imines have been described. (C) 2002 Elsevier Science Ltd. All rights reserved.