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Cyclization of 2,4-dichloro-1,5-pentanediones with nucleophilic reagents

✍ Scribed by O. V. Litvinov; S. N. Chalaya; V. G. Kharchenko

Publisher: Springer US
Year: 1991
Tongue: English
Weight: 409 KB
Volume: 27
Category: Article
ISSN: 0009-3122
DOI: 10.1007/bf00472290

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## 25 -204 1,1,1,4,5,5,5-Heptafluoro-4-(trifluoromethyl)-2,3-pentanedione, a Potent Reagent for the Synthesis of Cyclic λ 5 σ 5 Phosphoranes. -Title compound (II) is employed for the convenient and high-yielding synthesis of cyclic phosphoranes (III). No interaction of the diketone (II) with the i