Synthesis 2006(12): 2064-2068  
DOI: 10.1055/s-2006-942394
PAPER
© Georg Thieme Verlag Stuttgart · New York

Microwave-Assisted Raney Nickel Reduction of Bispidinone Thioketals to N,N′-Dialkylbispidines

Lauri Toom, Helena Grennberg, Adolf Gogoll*
Department of Biochemistry and Organic Chemistry, Uppsala University, Box 576, 75123 Uppsala, Sweden
Fax: +46(18)4713818; e-Mail: Adolf.Gogoll@kemi.uu.se;
Further Information

Publication History

Received 23 February 2006
Publication Date:
11 May 2006 (online)

Abstract

A series of N,N′-dialkyl-3,7-diazabicyclo[3.3.1]nonanes was prepared by microwave-assisted reduction of a common dithiolane precursor with Raney nickel, using the corresponding alkanol as solvent. The method avoids the use of hydrazine.