Organic letters

Direct access to enantioenriched spiroacetals through asymmetric Relay catalytic three-component reaction

H Wu, YP He, LZ Gong

Index: Butkevich, Alexey N.; Corbu, Andrei; Cossy, Janine; Meerpoel, Lieven; Bonnet, Pascal; Stansfield, Ian; Angibaud, Patrick Organic Letters, 2012 , vol. 14, # 19 p. 4998 - 5001,4

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Citation Number: 63

Abstract

... Volume: Page ... Organic Letters. ... Brønsted acids prepared from PPh 3 AuMe (5 mol %) and chiral phosphoric acid 5a (10 mol %) and of 4 Å molecular sieves in fluorobenzene(12) at 10 °C (Table 1). The transformation proceeded smoothly and afforded N-phenyl-3 ...