Posted on July 29, 1992July 12, 2018 by Davies Group31. Ring expansion of tert-butyl 1-vinylcyclopropane-1-carboxylates to .alpha.-ethylidenebutyrolactones Authors: Huw M. L. Davies , Baihua Hu J. Org. Chem., 1992, 57 (15), 4309–4312 Read More