A stereocontrolled route to protected isocyanates from alcohols
作者:Daniel J. Cane-Honeysett、Michael D. Dowle、Mark E. Wood
DOI:10.1016/j.tet.2004.12.042
日期:2005.2
Full details are given for a modified Mitsunobu approach to the formation of N-alkylated 1,2,4-dithiazolidine-3,5-diones 2 from a wide range of alcohols 10 with predominantly, inversion of configuration. The resulting products 2 can be regarded as protected isocyanates 6.
1,2,4-Dithiazolidine-3,5-dione as an isocyanate equivalent in the Mitsunobu reaction
作者:Mark E. Wood、Daniel J. Cane-Honeysett、Michael D. Dowle
DOI:10.1039/b206793e
日期:2002.9.11
1,2,4-Dithiazolidine-3,5-dione 1 can be used as a nitrogen nucleophile in a modified Mitsunobu procedure to give N-alkylated products 2 which can be converted via isocyanates, into amine derivatives, under very mild conditions.