The reaction of 2-unsubstituted 1,2-thiazetidine-1,1-dioxides with n-butyllithium affords dianions which react with a variety of electrophiles. Selective mono- and dialkylation is readily accomplished.
2-未取代的1,2-
噻唑烷-1,1-二氧化物与
正丁基锂的反应提供了与各种亲电子试剂反应的二价阴离子。选择性的单和二烷基化很容易实现。