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.
Catalytic methylaluminum dichloride: an efficient method for accelerating the intramolecular Diels-Alder reaction of the furan diene
作者:Christine Rogers、Brian A. Keay
DOI:10.1016/0040-4039(91)80197-e
日期:1991.11
Catalytic (10 mol%) methylaluminum dichloride was found to be an efficient catalyst for the intramolecularDiels-Alderreaction of the furan diene providing oxatricyclo adducts at −65°C within two hours in yields ranging from good to excellent.