Nickel (0)-catalyzed cross coupling of aryl O-carbamates and aryl triflates with Grignard reagents. Directed ortho metalation-aligned synthetic methods for …

…, DS Raslan, C Quesnelle, V Snieckus

Index: Sengupta, Saumitra; Leite, Magda; Raslan, Delio Soares; Quesnelle, Claude; Snieckus, Victor Journal of Organic Chemistry, 1992 , vol. 57, # 15 p. 4066 - 4068

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Citation Number: 144

Abstract

Summary: The first Ni (0)-catalyzed cross-coupling reactions of aryl 0-carbamates and aryl triflates with Grignard reagents (Scheme I) to give diversely polysubstituted aromatics 2d and 28 (Table I) which feature regiospecificity based on directed ortho metalation (carbamate), minimal

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