An efficient and new protocol for phosphine-free Suzuki coupling reaction using palladium-encapsulated and air-stable MIDA boronates in an aqueous medium
作者:Joaquim Fernando Mendes da Silva、Andres Felipe Yepes Perez、Natália Pinto de Almeida
DOI:10.1039/c4ra03586k
日期:——
A simple methodology for Suzuki–Miyaura cross-coupling reactions using microencapsulated palladium and (het)aryl MIDA boronates in water–alcohol under phosphine-free conditions was developed.
Phosphine-Free Suzuki Cross-Coupling Reaction Using an Efficient and Reusable Pd Catalyst in an Aqueous Medium Under Microwave Irradiation
作者:Joaquim F. M. da Silva、Andres F. Yepes Perez、Natália P. de Almeida
DOI:10.1080/00397911.2015.1057289
日期:2015.9.2
Abstract We report here an improved, highly efficient, and general method for the ligand-free Suzuki cross-couplingreaction to the synthesis of biaryls, bipyridyls, thienylpyridine, and allylphenols. Microwaveirradiation of (het)aryl halides and (hetaryl, allyl)arylboronic acid N-methyl-iminodiacetic acid (MIDA) ester, using polyurea microencapsulated palladium catalyst (Pd EnCat 30), gave the coupling
Direct synthesis of unsymmetrical bis-heterocycles from 2-heterosubstituted 6-lithiopyridines
作者:Philippe Gros、Yves Fort
DOI:10.1039/a807161f
日期:——
Unsymmetrical bis-heteroaromatic compounds have been synthesized by
nucleophilic coupling of C-6 lithiated 2-heterosubstituted pyridines
with various heterocycles.