Synthesis of [2-(methoxyaryl)-1-methylethyl]phosphinic acids from red phosphorus and (allyl)(methoxy)benzenes |
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| Authors: | S. F. Malysheva V. A. Kuimov A. V. Artem’ev N. A. Belogorlova A. I. Albanov N. K. Gusarova B. A. Trofimov |
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| Affiliation: | 1246. A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 ul. Favorskogo, 664033, Irkutsk, Russian Federation
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| Abstract: | (Allyl)(methoxy)benzenes react with red phosphorus in the superbasic system KOH-DMSO in the presence of small amounts of water and hydroquinone (3 h, 130 °C) to regio- and chemoselectively give [2-(methoxyaryl)-1-methylethyl]phosphinic acids in preparative yields up to 52%. The reactions involve isomerization of allylbenzenes into (prop-1-enyl)benzenes. |
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