| 17 | Synthesis of new heterocycles 1,3,2,6-dioxaphosphaselenacyclooctanes显示文摘New phosphorus- and selenium-containing heterocyclyes, 1,3,2,6-dioxaphosphaselena-cyclooctanes (la-1h), were synthesized by the reaction of bis(2-hydroxyethyl)selenide with RP(X)Cl2 where R=alkoxyl, aroxyl, aryl and X=O or lone pair. Their structures were determined by spectro-scopies and elemental analyses and finally confirmed by the X-ray crystallographic analysis of 1c. The molecular structures of the heterocycles were discussed in term of conformational analysis. | Li, JL Tian, B Zhao, CQ Wang, YM Meng, JB Wang, HG | 1997 | Chinese Journal of Chemistry1997，15，5： | 0 |
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