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2004
Organo-phosphorus compounds
S 0080
Hydrophosphorylation of Alkenes with Dialkyl Phosphites Catalyzed by Mn(III)
Air. — The method offers an efficient and regioselective approach to organo49- 156 under
phosphonates which are potent building blocks. Interestingly, hydrophosphorylation of
β-pinene (XI) proceeds with competitive opening of the cyclobutane ring. The diene
(XV) undergoes cyclization giving the bicyclic phosphonate (XVI). Under these conditions, hydrophosphorylation of alkynes is also possible leading to unsaturated organophosphonates. — (TAYAMA, O.; NAKANO, A.; IWAHAMA, T.; SAKAGUCHI,
S.; ISHII*, Y.; J. Org. Chem. 69 (2004) 16, 5494-5496; Dep. Appl. Chem., Fac. Eng.,
Kansai Univ., Suita, Osaka 564, Japan; Eng.) — Jannicke
2004
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