Citation:
Zai Ming ZHU, Yin WANG, Yong Ting XU, Ze Min MEl, Qun LIU, Jie Han HU. α-Oxoketene Cyclic S,S-Acetals Chemistry——Reaction of α,α'-Dioxo (ester) ketene Cyclic S,S-Acetals with Ethylenediamine[J]. Chinese Chemical Letters,
;1997, 8(5): 367-368.
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α,α'-Dioxo (ester) ketene cyclic S,S-acetals 2 were reacted with ethylenediamine to afford α,α'-dioxo (ester) ketene cyclic N,N-acetals 3.This process provides a new method for the synthesis of 3 in good yield under mild condition.All products are confirmed with elemental analysis,IR,1H NMR and 13C NMR.
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