申请人:PIRAMAL ENTERPRISES LIMITED
公开号:US20150232458A1
公开(公告)日:2015-08-20
The present invention relates to an improved process for the preparation of 1,3,5-triazine-2,4,6(1H,3H,5H)-trione (“Triglycidylisocyanurate (TGIC) or the compound of formula I”) comprising reacting cyanuric acid (the compound of formula III) with 3 to 7 molar equivalents of epichlorohydrin in an autoclave at a temperature of 80-100° C. for 1 hour to give the mixture of intermediates A, B and C and reacting intermediates A, B and C with an alkali to obtain the compound of formula I.
本发明涉及一种改进的制备1,3,5-三嗪-2,4,6(1H,3H,5H)-三酮(“三烷基异氰酸酯(TGIC)或式I的化合物”)的方法,包括在自动化学反应釜中以80-100℃的温度,在氰尿酸(式III的化合物)和3至7摩尔当量的环氧氯丙烷反应1小时,得到中间体A、B和C的混合物,然后将中间体A、B和C与碱反应得到式I的化合物。