SYNTHESIS OF POLYOLS BEARING PHOSPHONATE GROUPS. PART II: EPOXIDES USED AS STARTING MATERIALS
作者:B. Boutevin、Y. Hervaud、G. Mouledous、R. Vera
DOI:10.1080/10426500008042092
日期:2000.6.1
with a high yield. (VI) is obtained by addition of diethyl hydrogenophosphonate HPO(OCH2CH3)2 to I-chloropropan-Zone CH3C(O) CH2Cl with a yield of 80%. These epoxides then lead to polyols bearing a phosphonate group by ring opening with diethanolamine (HOCH2CH2)2NH:(HOCH2CH2)2NCH2C(OH)(R)-Z-PO(OCH2CH3)2 with (VII): R˭H, Z˭H2; (VIII): R˭H, Z˭H2O(CH2)3S(CH2)3; (IX):R˭ CH3. This reaction appears to be an
摘要 制备了三种环氧膦酸酯。这些化合物具有以下通式:CH2(O)C(R)-Z-PO(OCH2CH3)2 与 (II):R˭H、Z˭H2;(V):R˭H、Z˭H2O(CH2)3S(CH2)3;(六):R˭ CH3。(II)是在苄腈存在下通过过氧化氢环氧化烯丙基膦酸二乙酯得到的,产率超过60%。(V) 是通过 HS(CH2)3PO(OCH2CH3)2 与烯丙基缩水甘油醚 CH2(O)CH CH2-O-CH2CH˭CH2 光加成获得的,收率很高。(VI)通过将磷酸氢二乙酯HPO(OCH2CH3)2加入到I-氯丙烷-区CH3C(O)CH2Cl中获得,产率为80%。然后,这些环氧化物通过与二乙醇胺 (HOCH2CH2)2NH:(HOCH2CH2)2NCH2C(OH)(R)-Z-PO(OCH2CH3)2 开环产生带有膦酸酯基团的多元醇,其中 (VII):R˭H, Z˭H2 ; (VIII):R˭H、Z