Organometallic reaction in aqueous media. A samarium induced, efficient, synthesis of homoallyl hydroxylamines and hydrazides
摘要:
Samarium can be used directly for the allylation of aldonitrones and hydrazones in aqueous media in the presence of Bu4NBr. (C) 2001 Elsevier Science Ltd. All rights reserved.
Rearrangement of nitrones to amides using chlor0sulfonyl isocyanate
作者:Sajan P. Joseph、D.N. Dhar
DOI:10.1016/s0040-4020(01)96081-8
日期:1986.1
Reaction of chlorosulfonyl isocyanate (CSI) with nitrones a-n and a,b has been studied. α, α, N-Triaryl nitrones a-n react with CSI to form the N,N-diaryl arylamides a-n and i-n in good yields. In the case of α-H, α, N-diaryl nitrones a,b however, two compounds viz., the rearranged product a,b and the 1,4-dihydro tetrazines a,b are formed.