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TWO TYPES OF PRODUCTS IN THE REACTIONS OF 2-PYRIDINESULFENYL HALIDES WITH CYCLOALKENES AND CYCLOALKADIENES: SYNTHESIS OF NOVEL [1,3]THIAZOLO[3,2-a]PYRIDINIUM DERIVATIVES

Роман С. Ишигеев, Владимир А. Потапов, Ирина В. Шкурченко, Сергей В. Зинченко, Светлана В. Амосова
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Abstract


The reactions of 2-pyridinesulfenyl halides with cyclopentene, 1,4-cyclohexadiene, 1,5-cyclooctadiene, 1,3-cyclooctadiene, and norbornene, depending on the structure of the alkene, the nature of the halogen, and the duration of the process, lead to the formation of two types of adducts, electrophilic addition products or condensed compounds, [1,3]thiazolo[3,2-a]pyridinium derivatives, in high yields.

Keywords


cyclohexadiene; cyclooctadiene; cyclopentene; di(pyridin-2-yl) disulfide; norbornene; 2-pyridinesulfenyl bromide; 2-pyridinesulfenyl chloride; [1,3]thiazolo[3,2-a]pyridinium derivatives.

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