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Synthesis of unsymmetrically substituted 2,5-piperazinediones: regioselective alkylation of piperazinedione derivatives

โœ Scribed by Tohru Fukuyama; R.Keith Frank; Alison A. Laird

Publisher
Elsevier Science
Year
1985
Tongue
French
Weight
161 KB
Volume
26
Category
Article
ISSN
0040-4039

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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 select