A Phospha‐Wittig Route to 5‐Phosphaphenanthrene | Zendy

Wang Huaiqiu | Zendy; Zhao Weining | Zendy; Zhou Yang | Zendy; Duan Zheng | Zendy; Mathey François | Zendy

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A Phospha‐Wittig Route to 5‐Phosphaphenanthrene

Author(s) -

Wang Huaiqiu,

Zhao Weining,

Zhou Yang,

Duan Zheng,

Mathey François

Publication year - 2011

Publication title -

european journal of inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 1434-1948

DOI - 10.1002/ejic.201100466

Subject(s) - chemistry , intramolecular force , wittig reaction , adduct , cycloaddition , reactivity (psychology) , condensation , nuclear magnetic resonance spectroscopy , stereochemistry , crystal structure , medicinal chemistry , crystallography , organic chemistry , catalysis , medicine , physics , alternative medicine , pathology , thermodynamics

The reaction of tributylphosphane with a 7‐(2′‐formyl‐2‐biphenylyl)phosphanorbornadiene P‐W(CO) 5 complex leads to the 5‐phosphaphenanthrene P‐W(CO) 5 complex via an intramolecular phospha‐Wittig condensation. This complex is stable enough for detection by 31 P NMR spectroscopy but cannot be isolated due to its high reactivity. It is trapped by addition of MeOH or cycloaddition with 2,3‐dimethylbutadiene or a nitrileimine. The adducts were characterized by X‐ray crystal structure analysis.

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