期刊
CURRENT ORGANIC CHEMISTRY
卷 23, 期 10, 页码 1151-1157出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1385272823666190621114915
关键词
Bromopyridine; bromotiophene; bromofuran; > P(O)H reagent; hirao reaction; microwave; P-ligand-free
资金
- National Research, Development and Innovation Office [K119202]
- New National Excellence Program of the Ministry of Human Capacities [UNKP-18-3-I-BME-118]
Bromopyridines, bromotiophenes and 3-bromofuran were reacted with diphenylphosphine oxide or diethyl phosphite under microwave irradiation using Pd(OAc)(2) as the catalyst precursor together with some excess of the >P(O)H reagent. Hence, there was no need for the usual mono- and bidentate P-ligands. The >P(O)-functionalized heterocycles were obtained in variable (55-95%) yields. The results of our green protocol were in most cases better than those of the literature methods.
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