Facile Allylation of <i>N</i>‐Boc and <i>N</i>‐Cbz Imines with Allyltrichlorosilane promoted by DMF
作者:Pengcheng Wu、Jian Sun
DOI:10.1080/00397910701860422
日期:2008.3.1
Facile allylation of various N-Boc and N-Cbz imines with allyltrichlorosilane has been effected using N,N-dimethylformamide (DMF) as the activator. The N-Boc and N-Cbz homoallylic amines were obtained in good to high yields under mild conditions.
Molybdenum(V) chloride-catalyzed amidation of secondary benzyl alcohols with sulfonamides and carbamates
A general and selective method for the direct amidation of secondary benzyl alcohols with both sulfonamides and carbamates is described. This method has been applied to a variety of substrates and the reaction proceeded smoothly at room temperature in the presence of 5 mol % molybdenum(V) chloride to give the desired products in good yields. (C) 2007 Elsevier Ltd. All rights reserved.