公开(公告)号：US20080183009A1

公开(公告)日：2008-07-31

申请号：US12061124

申请日：2008-04-02

申请人： Mark WEHNER ,  Bettina KIRSCHBAUM ,  Lothar DEUTSCHER ,  Hans Jurgen Wagner ,  Harald HOSSL

发明人： Mark WEHNER ,  Bettina KIRSCHBAUM ,  Lothar DEUTSCHER ,  Hans Jurgen Wagner ,  Harald HOSSL

IPC分类号： C07F9/38

CPC分类号： C07F9/657181 ,  C07C237/22 ,  C07F9/3895 ,  Y02P20/127

摘要： Method of performing condensation reactions, acylations or of preparing heterocycles comprising forming cyclic phosphonic anhydride of the formula (III) by a) reacting phosphonic acid derivatives of formula (I) with acetic anhydride at a temperature ranging between 30 and 150° C. while separating a mixture of ethanoic acid and acetic anhydride by means of distillation, b) then reactively distilling the oligomeric phosphonic acid anhydrides of formula (II) obtained in step a) and transforming the same into the corresponding cyclic trimeric phosphonic acid anhydrides of formula (III), wherein n represents a number between 0 and 300 while R represents allyl, aryl, or open-chain, cyclic, or branched C1 to C8 alkyl radicals, aryloxy, allyloxy, or alkoxy comprising open-chain, cyclic, or branched C1 to C8 alkyl radicals. Preferably the cyclic trimeric phosphonic acid anhydrides formed in step b) are immediately dissolved in an organic solvent that exhibits an inert behavior relative thereto.

摘要翻译： 使式（I）的膦酸衍生物与乙酸酐在30至150℃之间的温度范围内反应，同时分离出式（III）的环状膦酸酐，进行缩合反应，酰化或制备杂环的方法， 乙酸酐的混合物，b）然后反应性地蒸馏步骤a）中获得的式（II）的低聚膦酸酐，并将其转化为相应的式（III）的环状三聚膦酸酐， ，其中n表示0至300之间的数字，而R表示烯丙基，芳基或开链，环状或支链C1至C8烷基，芳氧基，烯丙氧基或包含开链，环状或支链C1至C8的烷氧基 烷基。 优选在步骤b）中形成的环状三聚膦酸酐立即溶解在相对于其表现出惰性行为的有机溶剂中。

公开(公告)号：US20060264654A1

公开(公告)日：2006-11-23

申请号：US10565470

申请日：2004-07-08

申请人： Mark Wehner ,  Bettina Kirschbaum ,  Lothar Deutscher ,  Hans Wagner ,  Harald Hossl

发明人： Mark Wehner ,  Bettina Kirschbaum ,  Lothar Deutscher ,  Hans Wagner ,  Harald Hossl

IPC分类号： C07F9/22 ,  C07F9/28

CPC分类号： C07F9/657181 ,  C07C237/22 ,  C07F9/3895 ,  Y02P20/127

摘要： Disclosed is a method for producing cyclic phosphonic acid anhydrides of formula (III) by a) reacting phosphonic acid derivatives of formula (I) with acetic anhydride at a temperature ranging between 30 and 150° C. while separating a mixture of ethanoic acid and acetic anhydride by means of distillation, b) then reactively distilling the oligomeric phosphonic acid anhydrides of formula (II) obtained in step a) and transforming the same into the corresponding cyclic trimeric phosphonic acid anhydrides of formula (III), wherein n represents a number between 0 and 300 while R represents allyl, aryl, or open-chain, cyclic, or branched C1 to C8 alkyl radicals, aryloxy, allyloxy, or alkoxy comprising open-chain, cyclic, or branched C1 to C8 alkyl radicals. Preferably the cyclic trimeric phosphonic acid anhydrides formed in step b) are immediately dissolved in an organic solvent that exhibits an inert behavior relative thereto.

摘要翻译： 公开了通过以下方式制备式（III）的环状膦酸酐的方法：a）使式（I）的膦酸衍生物与乙酸酐在30至150℃之间的温度下反应，同时分离出乙酸和乙酸的混合物 酸酐，b）然后反应性地蒸馏步骤a）中获得的式（II）的低聚膦酸酐，并将其转化为相应的式（III）的环状三聚膦酸酐，其中n表示 0和300，而R代表烯丙基，芳基或开链，环状或支链C 1至C 8烷基，芳氧基，烯丙氧基或烷氧基， 链，环状或支链C 1至C 8烷基。 优选在步骤b）中形成的环状三聚膦酸酐立即溶解在相对于其表现出惰性行为的有机溶剂中。