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JV-Acyliminium ions

A-Acyliminium ions are versatile intermediates for synthesis of nitrogenous compounds, particularly alkaloids [154]. The conjugate system is very electrophilic such that it can be intercepted by various donors including carbonyl compounds and jt-systems. In comparison with a,p-unsaturated ketones the replacement of the a-carbon with a nitrogen atom accentuates the reactivity of these species. Ingenious applications of the JV-acyliminium ions include service to synthesis of corydaline [155], lycoramine [156], quebrachamine [157], and ajmaline [158], to name a very few. [Pg.121]

Fig. 7.4 Generation and accumulation of the JV-acyliminium ion by the cation pool method... Fig. 7.4 Generation and accumulation of the JV-acyliminium ion by the cation pool method...
See other pages where JV-Acyliminium ions is mentioned: [Pg.821]    [Pg.823]    [Pg.826]    [Pg.841]    [Pg.855]    [Pg.254]    [Pg.203]    [Pg.203]    [Pg.204]    [Pg.205]    [Pg.248]    [Pg.191]    [Pg.137]    [Pg.425]    [Pg.1446]    [Pg.1470]    [Pg.535]    [Pg.339]    [Pg.640]    [Pg.64]    [Pg.70]   


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Acyliminium

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