14668-40-7Relevant articles and documents
Formal [4+1] annulation of cyclopropyl amides and water mediated by Lewis acid: A novel entry to γ-butyrolactones
Zhang, Dingyuan,Zhang, Rui,Liang, Yongjiu,Dong, Dewen
experimental part, p. 1679 - 1685 (2012/07/03)
An efficient one-pot synthesis of substituted -butyrolactones from cyclopropyl amides mediated by the Lewis acid SnClH is reported. A mechanism involving a tandem ring-opening reaction and intramolecular cyclization reaction is proposed. Georg Thieme Verlag Stuttgart · New York.