132148-64-2Relevant articles and documents
Lewis Acid-Catalyzed Hetero-Diels-Alder Reactions of Methyl 2-Oxo-3-alkenoates with Alkenes
Sera, Akira,Ohara, Meguru,Yamada, Hiroaki,Egashira, Emiko,Ueda, Naohiro,Setsune, Jun-ichiro
, p. 1912 - 1917 (1994)
Lewis acid-catalyzed cycloadditions of 4-substituted methyl 2-oxo-3-butenoates and 3-pentenoates with alkenes took place with high regio- and stereoselectivities to afford substituted 6-methoxycarbonyl-3,4-dihydro-2H-pyrans in good to moderate yields.None