磷杂螺环化合物的合成及表征

Syntheses and Characterization of Phosphaspirocyclic Compounds

合成了双（４甲撑２，６，７三氧杂１磷杂双环［２，２，２］辛烷）磷酸三聚氰胺盐（Ⅲ）及２，６，７三氧杂１磷杂双环［２，２，２］辛烷甲醇（Ⅰ）、双（４甲撑２，６，７三氧杂１磷杂双环［２，２，２］辛烷）氯代磷酸酯（Ⅱ），三者的得率分别为７２７％、９００％及５７３％；同时对化合物（Ⅰ）、（Ⅱ）及（Ⅲ）的核磁共振碳谱和红外光谱谱图进行了归属和解析。

A novel spiro compound melamine salt of bis(4 methylene 2,6,7 trioxa 1 phosphabicyclooctane)phosphate(Ⅲ)which can be used as intumescent fire retardant was first synthesized by reaction of pentaerythrital,phosphorus oxychloride and melamine.The compound Ⅲ,2,6,7 trioxa 1 phosphabicyclooctane 4 methal(Ⅰ)and bis(2,6,7 trioxa 1 phosphabicyclooctane 4 methanol)chlorophosphate(Ⅱ)are characterized by means of elemental analysis,IR and 13 C NMR.