A New Synthesis of 2,12-Dithia[3.3](1,4)cycl[3.2.2]azinophanes

Abstract
2,12-Dithia[3.3](1,4)cycl[3.2.2]azinophanes (11, 12) which were the key intermediates for the syntheses of [2.2](1,4)cycl[3.2.2]azinophanes (1, 2) were synthesized by the reaction of bis(mercaptomethyl)cyclazine(10) and dihalogenated compounds (2,6-lutidine dibromide, 8c) with cs2co3 in N,N-dimethylformamide (DMF).
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