Page 1. SYNTHETIC COMMUNICATIONS, 30(22), 41674171 (2000) ... 'To whom correspondence should be addressed. 4167 Copyright Q 2000 by Marcel Dekker, Inc. www.dekker.com ... 1999,55,9595 and references cited therein. Ranu, BC; Dutta, P. and Sarh, A. J. Org. Chem. ...