Direct Phosphorylation of Benzothiazoles and 4-Methyltthiazole

Igor V. Komarov Department of Chemistry, Kiev Taras Shevchenko University, Vladimirskaya Street, 64, Kiev, 252033, Ukraine

Aleksandr V. Strizhak Department of Chemistry, Kiev Taras Shevchenko University, Vladimirskaya Street, 64, Kiev, 252033, Ukraine

Mikhail Yu. Kornilov Department of Chemistry, Kiev Taras Shevchenko University, Vladimirskaya Street, 64, Kiev, 252033, Ukraine

Evgeniy Zarudnitskiy Institute of Organic Chemistry of National Academy of Sciences of Ukraine, Kiev, Murmanskaya Street, 5, Kiev, 252094, Ukraine

Andrey A. Tolmachev Institute of Organic Chemistry of National Academy of Sciences of Ukraine, Kiev, Murmanskaya Street, 5, Kiev, 252094, Ukraine

Abstract

Simple procedures for preparation of 2-(4-methylthiazolyl) dichlorophosphine and wide variety of 2-phosphorylated benzothiazoles are reported. Efficient promoters and catalysts were found for the key transformation, direct phosphorylation of the heterocyclic compounds by PCl₃ (PB_r3 as a promoter) or by P(V) acid chlorides (HgCl₂ as a catalyst).

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Direct Phosphorylation of Benzothiazoles and 4-Methyltthiazole

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