Unusual ligand-dependent chemoselective Suzuki–Miyaura cross-coupling reactions of 3-bromo-4-trifloyl-thiophenes

Jizhou Wang,Mark A Seefeld,Juan I Luengo

Tetrahedron Letters（2011）

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摘要

An unusual ligand-dependent chemoselective Suzuki–Miyaura cross coupling reaction for 3-bromo-4-trifloyl-thiophenes was discovered. Pd(PPh3)4 showed triflate over bromide selectivity, while Pd(tBu3P)2 provided bromide over triflate selectivity.

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