Reaction of 2,2,2-Triphenyl-2H-6,11-methano-cycloundec[d]-1,2λ5-oxaphosphole (2-Triphenyl-phosphoranylidenemethyl-5,10-methano[11]-annulenone) and its related Compounds with Heterocumulenes

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Makoto Nitta and Shin-ichi Naya


Abstract

Reactions of 2,2,2-triphenyl-2H-6,11-methanocycloundec[d]-1,2λ5-oxaphosphole (2-triphenylphosphoranylidenemethyl-5,10-methano[11]annulenone) and 2-triphenylphosphoranylidenemethyltropones with heterocumulenes have been studied to provide evidence for a P–O bonding oxaphosphole structure and to explore a preparative method for annulated heterocycles.


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