The high pressure mediated intramolecular diels-alder reaction of furans: Factors controlling cycloaddition with monoactivated dienophiles.
作者:Laurence M. Harwood、Sarah A. Leeming、Neil S. Isaacs、Geraint Jones、John Pickard、Royston M. Thomas、David Watkin
DOI:10.1016/s0040-4039(00)80668-1
日期:1988.1
The Intramolecular Diels-Alderreactions of furans possessing a 2-alkyl substituent with a terminal α,β-unsaturated ketone have been surveyed. The consequences of varying the degree of substitution of the furan, the bridging chain length, and position of the activating group on the dienophile upon the ease and stereochemistry of cycloaddition are reported.
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.