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Recyclization of Acylation Products of 2-Aryl-5-hydrazino-4-(dialkoxyphosphoryl)oxazoles

✍ Scribed by V. S. Brovarets; S. G. Pil'o; T. P. Popovich; R. N. Vydzhak; B. S. Drach


Book ID
110325741
Publisher
Springer
Year
2001
Tongue
English
Weight
27 KB
Volume
71
Category
Article
ISSN
1070-3632

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## Abstract Easily accessible N^2^‐acyl derivatives of 2‐aryl‐5‐hydrazino‐1,3‐oxazole‐4‐carbonitriles react peculiarly with the Lawesson reagent. In addition to thionation, the reaction involves a recyclization to afford new substituted 2‐(5‐amino‐1,3‐thiazol‐4‐yl)‐1,3,4‐thiadiazoles. Their structu