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Catalyzed acyl halidealdehyde cyclocondensations. New insights into the design of catalytic cross aldol reactions

✍ Scribed by Scott G. Nelson; Zhonghui Wan; Timothy J. Peelen; Keith L. Spencer

Book ID: 104262091
Publisher: Elsevier Science
Year: 1999
Tongue: French
Weight: 295 KB
Volume: 40
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(99)01308-8

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✦ Synopsis

Substoichiometric quantities (2.5-20 tool%) of AI(SbF6)3 catalyze the di(isopropyl)ethylamine-mediated cyclocondensation of various acyl halides and enolizable aldehydes to afford I$-lactones in good yields (58-93%). These reactions are discussed as a strategy for executing chemo-and regiospecific catalyzed cross aldol reactions.

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