Synthesis 2004(15): 2523-2526  
DOI: 10.1055/s-2004-831187
PAPER
© Georg Thieme Verlag Stuttgart · New York

Bi(OTf)3 as Novel and Efficient Catalyst for the Stereoselective Synthesis of C-Pseudoglycals

J. S. Yadav*, B. V. S. Reddy, K. Srinivasa Reddy, L. Chandraiah, V. Sunitha
Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad-500 007, India
Fax: +91(40)27160512; e-Mail: yadav@iict.res.in;
Further Information

Publication History

Received 26 April 2004
Publication Date:
19 August 2004 (online)

Abstract

d-Glycals undergo smoothly allylic rearrangement with allyltrimethylsilane and trimethylsilyl cyanide in the presence of catalytic amount of bismuth triflate to afford the corresponding 2,3-unsaturated allyl glycosides and glycosyl cyanides in excellent yields with high α-selectivity.