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ChemInform Abstract: Syntheses of Ketene Dithioacetal Derivatives of 2,5-Piperazinedione.

✍ Scribed by Xiaolun Wang; Xu Chen; Hongzhen Lian; Yi Pan; Yaozeng Shi

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

Syntheses of Ketene Dithioacetal Derivatives of 2,5-Piperazinedione.

-A series of ketene dithioacetal derivatives of 2,5-piperazinedione are prepared by reaction of alkyl bromides and carbon disulfide with N,N'diacylpiperazinedione (I). The N-acetyl groups in the product dithioacetals can be selectively removed with the assistance of amines [β†’(V)]. -(WANG,

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