Tetrahedron p. 12463 - 12478 (1995)
Update date:2022-08-02
Topics: Intramolecular Diels-Alder Reactions 2(1H)-Pyrazinones
Buysens, Kris J.
Vandenberghe, Didier M.
Toppet, Suzanne M.
Hoornaert, Georges J.
2(1H)-Pyrazinones 2-5 with in 3-position either a 3- or 4-alkynyloxy side chain and 2(1H)-pyrazinones 9-10 carrying the corresponding 2- or 3-alkynyloxy(m)ethyl substituent are shown to undergo intramolecular Diels-Alder reaction.The formation of either f
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