BRIDGES, A. J.;THOMAS, R. D., J. CHEM. SOC. CHEM. COMMUN., 1984, N 11, 694-695
作者:BRIDGES, A. J.、THOMAS, R. D.
DOI:——
日期:——
A simple, versatile preparation of highly substituted 2,5-dihydro-oxoles
作者:Alexander J. Bridges、Ralph D. Thomas
DOI:10.1039/c39840000694
日期:——
3-dialkyl-1-lithio-1-(phenylthio)allenes (1) add efficiently to ketones only on warming to –20 °C or above; the adducts are readily cyclised by acid, or several other electrophiles, to produce highlysubstituted2,5-dihydro-oxoles.