会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 17. 发明授权
    • Catalytic procedure for the preparation of organic carbonates
    • 用于制备有机碳酸酯的催化方法
    • US5457213A
    • 1995-10-10
    • US73773
    • 1993-06-08
    • Daniele DelledonneFranco RivettiUgo Romano
    • Daniele DelledonneFranco RivettiUgo Romano
    • B01J31/12C07B61/00C07C68/00C07C69/96C07D317/36C07D317/38
    • C07D317/38C07C68/005C07D317/36
    • Catalytic procedure for the preparation of an organic carbonate having general formula (I): ##STR1## wherein R represents a C.sub.1 -C.sub.10 alkyl radical, linear or branched, or a C.sub.5 -C.sub.8 cycloalkyl radical; or of a cyclic organic carbonate having general formula (II): ##STR2## wherein R' represents a C.sub.2 -C.sub.5 alkylene radical, linear or branched; including the reacting of an aliphatic or cyclo-aliphatic alcohol having general formula (III):R--OH (III)or an aliphatic diol having general formula (IV):HO--R'--OH (IV)wherein R and R' have the meaning described above, with carbon monoxide and oxygen, in the presence of a catalyst composed of a cobalt(II) or cobalt(III) ion and an organic binder containing at least one oxygen atom, characterized in that the process is carried out in the presence of at least one reaction coadjuvant selected from the following groups of linear or cyclic compounds: ureas, nitriles, amides, phosphoramides, sulphones, sulphoxides, carbamates.
    • 用于制备具有通式(I)的有机碳酸酯的催化方法:其中R表示直链或支链的C 1 -C 10烷基或C 5 -C 8环烷基; 或具有通式(II)的环状有机碳酸酯:其中R'表示直链或支链的C 2 -C 5亚烷基; 包括具有通式(III)的脂族或环脂族醇:R-OH(III)或具有通式(IV)的脂族二醇:HO-R'-OH(IV)其中R和R'具有 在由钴(II)或钴(III)离子组成的催化剂和含有至少一个氧原子的有机粘合剂存在下,用上述一氧化碳和氧气的含义,其特征在于该方法在 至少一种选自以下一组线性或环状化合物的反应助剂的存在:脲,腈,酰胺,磷酰胺,砜,亚砜,氨基甲酸酯。