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Direct catalytic asymmetric Mannich-type reaction of unmodified ketones utilizing the cooperation of an AlLibis(binaphthoxide) complex and La(OTf)3·nH2O

✍ Scribed by Shingo Yamasaki; Takehiko Iida; Masakatsu Shibasaki

Book ID: 108387250
Publisher: Elsevier Science
Year: 1999
Tongue: French
Weight: 242 KB
Volume: 40
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(98)02297-7

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The direct catalytic asymmetric Mannich reaction of unmodified ketones is described. This was achieved by the cooperative catalysis of a heterobimetallic asymmetric complex: AILibis(binaphthoxide) (ALB) and La(OTf)3.nH,\_O in the presence of molecular sieves 3A. The association of ALB and La(OT0fnH2

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