Citation: Jia ZHOU, Ru Yu CHEN. Synthesis and Stereochemistry of New Cyclic Phosphate-phosphonates[J]. Chinese Chemical Letters, ;1997, 8(1): 11-12. shu

Synthesis and Stereochemistry of New Cyclic Phosphate-phosphonates

Jia ZHOU ,
Ru Yu CHEN

Institute of Elemento-Organic Chemistry, National Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071

Received Date: 26 September 1996

Fund Project: The project was supported by the National Natural Science Foundation of China.

The novel cyclic phosphate-phosphonates,cis/trans-2-phosphonobenzyloxy-4-aryl-5,5-dimethyl-1,3,2-dioxaphosphorinane 2-sulfides(selenides) (7a-f),were synthesized by a one-pot reaction using tris(diethylamino) phosphine activated by iodine as the phosphorylating and ring-closing reagent in good overall yields.The geometric stereoisomers were isolated and characterized.A cis-configuration and a chair preferred conformation of one isomer of 7b were established by X-ray diffraction analysis.
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