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3- aryl-1-silyloxy-1-alkene 2-alkenal

Diels-Alder reactions of the type shown in Table 12.1, that is, Diels-Alder reactions between electron-poor dienophiles and electron-rich dienes, are referred to as Diels-Alder reactions with normal electron demand. The overwhelming majority of known Diels-Alder reactions exhibit such a normal electron demand. Typical dienophiles include acrolein, methyl vinyl ketone, acrylic acid esters, acrylonitrile, fumaric acid esters (fnms-butenedioic acid esters), maleic anhydride, and tetra-cyanoethene—all of which are acceptor-substituted alkenes. Typical dienes are cy-clopentadiene and acyclic 1,3-butadienes with alkyl-, aryl-, alkoxy-, and/or trimethyl-silyloxy substituents—all of which are dienes with a donor substituent. [Pg.494]

See other pages where 3- aryl-1-silyloxy-1-alkene 2-alkenal is mentioned: [Pg.2467]    [Pg.2271]    [Pg.2272]    [Pg.2272]    [Pg.2272]    [Pg.2272]    [Pg.2271]    [Pg.2272]    [Pg.2272]    [Pg.2276]    [Pg.2453]    [Pg.1041]    [Pg.2058]    [Pg.2257]    [Pg.2257]    [Pg.2260]    [Pg.2268]    [Pg.2268]    [Pg.2269]    [Pg.2274]    [Pg.2283]    [Pg.2284]    [Pg.2290]    [Pg.2533]    [Pg.2534]    [Pg.2535]   
See also in sourсe #XX -- [ Pg.1492 ]



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