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1,1-Bis(3,5-dimethyl-1-pyrazolyl)- and 1-Amino-1-(3,5-dimethyl-1-pyrazolyl)-4,4-dichloro-1-buten-3-ones.

✍ Scribed by V. I. Potkin; S. K. Petkevich; R. V. Kaberdin; P. V. Kurman

Publisher
John Wiley and Sons
Year
2005
Weight
17 KB
Volume
36
Category
Article
ISSN
0931-7597

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## Abstract A synthesis of C‐chlorinated analogues of 1,5‐diaza‐2,4‐diphosphorinan‐6‐ones is described. The P‐chlorophosphine 3, a key compound for all reported substitution reactions, reacts in an unusual way with N,N′‐dimethyl‐N,N′‐bis(trimethylsilyl)urea to give the unsymmetrical product 5, the