Intramolecular Diels–Alder reaction of the diene unit of furan in 2.0<scp>M</scp>CaCl<sub>2</sub>
作者:Brian A. Keay
DOI:10.1039/c39870000419
日期:——
The intramolecularDiels–Alderreaction of substituted 6-(2-furyl)hex-1-en-3-ones (1)–(6) in 2.0M calcium chloride provides 11-oxatricyclo[6.2.1.01,6]undec-9-en-5-ones (7)–(12) in moderate to good yield.
High pressure intramolecular Diels-Alder reactions of the furan diene
作者:Brian A. Keay、Peter W. Dibble
DOI:10.1016/s0040-4039(01)80354-3
日期:1989.1
A variety of substituted furans (-) undergo the intramolecular Diels-Alderreaction at highpressure (12.5 kbar) to provide oxatricyclo adducts (-) within 24 hours at room temperature.