A new sulfa-heterocyclic compounds containing aziridine moiety, 3-benzyl-2-thia-1,3-diazabicyclo[3.1.0]hexane 2,2-dioxide and its reaction with nucleophiles.

[摘要]：A new sulfa-heterocycle contg. an aziridine moiety, 3-benzyl-2-thia-1,3-diazabicyclo[3.1.0]hexane 2,2-dioxide, was obtained starting from 2-benzyl-4-chloromethyl-1,2,5-thiadiazolidine 1,1-dioxide in alk. conditions. The aziridine moiety was opened by various nucleophiles to give vicinal diamines, which were used as precursor of other bicyclic compds. with orthogonal protection, such as 2,5-dibenzyl-1,2,5-thiadiazolo[2,3-a]pyrazine 1,1-dioxide, with good yield.

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