Samarium(II)-induced ring-expansion reaction of 1,2-cyclobutanedicarboxylates to produce cyclopentanones
作者:Ikuo Shinohara、Hiroto Nagaoka
DOI:10.1016/j.tetlet.2003.12.047
日期:2004.2
Novel ring-expansion reaction of 1,2-cyclobutanedicarboxylates with Sm(II) in the presence of HMPA with a catalytic amount of methanol was found to provide 2-oxocyclopentanecarboxylates. (C) 2003 Elsevier Ltd. All rights reserved.
Trautmann, Walter; Musso, Hans, Chemische Berichte, 1981, vol. 114, # 3, p. 982 - 989