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Palladilim-catalyzed couplings with olefins and 1-alkynes and carbonylation of trifluoroacetimidoyl iodides

โœ Scribed by Kenji Uneyama; Hisayuki Watanabe

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
39 KB
Volume
54
Category
Article
ISSN
0022-1139

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โœฆ Synopsis

Palladium-catalyzed couplings with olefins and 1-alkynes 1) and carbonylation of trifhmroacetimidoyl iodidcs (1) proceed to give trifluoromethylated a, 6-unsaturated imines (2, 3) and a-carbonyl imines (4).

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Intramolecular allylations, combined with either fl-eliminations (1 --+ 2) or carbonylations (J\_Q + 12 + 12, x'aand u+ 19 + m were catalyzed by Pt(PPh3)4, Ni(COD)/dppb, or Ni(C0)3PPh3, respectively. Pd"-catalyzed conversion of allylic acetates, alcohols and acetals A, B + F (Scheme 1) exemplifies p