Issue 42, 2017

N-Acylsuccinimides: twist-controlled, acyl-transfer reagents in Suzuki–Miyaura cross-coupling by N–C amide bond activation

Abstract

The palladium-catalyzed Suzuki–Miyaura cross-coupling of N-acylsuccinimides as versatile acyl-transfer reagents via selective amide N–C bond cleavage is reported. The method is user-friendly since it employs commercially-available, air-stable reagents and catalysts. The cross-coupling is enabled by half-twist of the amide bond in N-acylsuccinimides. These highly effective, crystalline acyl-transfer reagents present major advantages over perpendicularly twisted N-acylglutarimides, including low price of the succinimide activating ring, selective metal insertion under redox neutral conditions and high stability of the amide bond towards reaction conditions. Mechanistic studies indicate that oxidative addition is the rate limiting step in this widely applicable protocol.

Graphical abstract: N-Acylsuccinimides: twist-controlled, acyl-transfer reagents in Suzuki–Miyaura cross-coupling by N–C amide bond activation

Supplementary files

Article information

Article type
Communication
Submitted
10 Sep 2017
Accepted
10 Oct 2017
First published
10 Oct 2017

Org. Biomol. Chem., 2017,15, 8867-8871

N-Acylsuccinimides: twist-controlled, acyl-transfer reagents in Suzuki–Miyaura cross-coupling by N–C amide bond activation

Y. Osumi, C. Liu and M. Szostak, Org. Biomol. Chem., 2017, 15, 8867 DOI: 10.1039/C7OB02269G

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