Heterodiene and heteroene activity of benzoyl isothiocyanate towards electron-rich alkynes. Synthesis and crystal structure of regioisomeric 1,3-oxazine-thiones
Royal Society of Chemistry:Thomas Graham House, Science Park, Cambridge CB4 0WF United Kingdom:011 44 1223 432360, EMAIL: [email protected], INTERNET: http://www.rsc.org, http://www.chensoc.org, Fax: 011 44 1223 423429
Abstract
The reactions of the electron-rich alkyne N,N-diethylaminopropyne with three aroyl isothiocyanate and benzoyl isocyanate are described