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N-alkenyl-3,5-pyrazolidinediones from ketone hydrazones, PCl3 and malonic acid

✍ Scribed by Graziano Baccolini; Michele Gianelli


Book ID
107857609
Publisher
Elsevier Science
Year
1995
Tongue
French
Weight
394 KB
Volume
51
Category
Article
ISSN
0040-4020

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The use of the PCl 3 /hydrazone/dicarboxylic acid combination can be applied in an efficient one-pot procedure for the synthesis at room temperature of the seven-membered ring compounds, 6 (perhydro-1,4,5-oxadiazepine-3,6-diones) and (perhydro-1,4,5-thiadiazepine-3,6-diones), and of the first report