A. Bogdanov, V. Mironov, B. I. Buzykin
Jan 14, 2008
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Phosphorus, Sulfur, and Silicon and the Related Elements
Abstract
The reaction of 2,3-dihydroxynaphthalene with phosphorus tribromide followed by bromide treatment has been shown to lead to quantitative formation of the new 2,2,2 tribromonaphtho [2,3-d]-1,3,2-dioxaphosphole. Its interaction with phenylacetylene proceeds by several pathways and leads to unexpected formation of 2-phenyl-9-(2-dihydroxyphosphoryl-1-phenylethen-1-yl)naphtho[1,2-d]furane. The structure of the last compound was established by NMR and single crystal X-ray diffraction.