One-pot synthesis of benzothiazolines and napthathiazolines via cascade ortho-lithiation, cyclisation and elimination of N-arylsulfonyl lactams
作者:John. D. Harling、Patrick. G. Steel、Tom. M. Woods、Dmitry S. Yufit
DOI:10.1039/b708967h
日期:——
ortho-Lithiation of cyclic aryl sulfonamides in the presence of phosphoryl chloride provides a very simple entry to fused polycyclic sultams (benzothiazolines and naphthathiazolines).