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    • 3. 发明申请
    • METHOD FOR MANUFACTURING PERFLUOROVINYLETHERS
    • 制备全氟尿嘧啶的方法
    • WO2009150091A1
    • 2009-12-17
    • PCT/EP2009/056858
    • 2009-06-04
    • SOLVAY SOLEXIS S.P.A.MILLEFANTI, StefanoTORTELLI, VitoMARCHIONNI, Giuseppe
    • MILLEFANTI, StefanoTORTELLI, VitoMARCHIONNI, Giuseppe
    • C07C17/35C07C17/00C07C19/08
    • C07C41/24C07D317/34C07C43/17
    • The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): R f O-CR f 'X-CR f ''R f '''X' (I-A) wherein R f represents a C 1 -C 6 perfluoro(oxy)alkyl group; R f ', R f " and R f "' equal or different from each other, independently represent fluorine atoms or C 1 -C 5 perfluoro(oxy)alkyl groups; X and X', equal or different from each other, are independently chosen among Cl, Br or I; formula (I-B); wherein R f * and R f *', equal or different from each other, independently represent fluorine atoms or C 1 -C 3 perfluoro(oxy)alkyl groups; Y 1 and Y 2 , equal or different from each other, independently represent fluorine atoms or C 1 -C 3 perfluoroalkyl groups; X and X' are as above defined; said process comprising contacting said halofluoroether (HFE) with hydrogen in the presence of a catalyst comprising at least one transition metal of group VIII B at a temperature of at most 340°C.
    • 本发明涉及通过具有通式(IA)或(IB)的卤代氟醚(HFE)的加氢脱卤制备全氟乙烯基醚的方法:RfO-CRf'X-CRf''Rf“'X'(IA),其中 Rf表示C1-C6全氟(氧)烷基; Rf',Rf“和Rf”'彼此相同或不同,独立地表示氟原子或C1-C5全氟(氧)烷基; X和X'彼此相同或不同,独立地选自Cl,Br或I; 式(I-B); 其中Rf *和Rf *'彼此相同或不同,独立地表示氟原子或C1-C3全氟(氧)烷基; Y1和Y2彼此相同或不同,独立地表示氟原子或C1-C3全氟烷基; X和X'如上所定义; 所述方法包括在包含至少一种第ⅧB族过渡金属的催化剂存在下,在至多340℃的温度下使所述卤代氟醚(HFE)与氢气接触。
    • 10. 发明申请
    • PROCESS FOR THE MANUFACTURE OF FLUOROSURFACTANTS
    • 制造氟化物的方法
    • WO2010003931A1
    • 2010-01-14
    • PCT/EP2009/058536
    • 2009-07-07
    • SOLVAY SOLEXIS S.p.A.MARCHIONNI, GiuseppeTORTELLI, Vito
    • MARCHIONNI, GiuseppeTORTELLI, Vito
    • C07C59/135C07C51/04
    • C07C51/04C07C51/367C07C51/412C07C51/58C07C59/135
    • This invention pertains to a novel process for the manufacture of a perfluorooxycarboxylate of formula (I): R f O-CF 2 CF 2 -O-CF 2 -COOX a (I) wherein R f is a perfluoro(oxy)alkyl group, and Xa is H, a monovalent metal or an ammonium group of formula NR N 4 , with R N , equal or different at each occurrence, being H or a C 1-6 hydrocarbon group, said process comprising: (A) reacting a perfluorovinylether of formula R f -O-CF=CF 2 with an ethylene glycol derivative selected among ethylene glycol (HO-CH 2 CH 2 -OH), glycolic acid (HO-CH 2 -COOH), glycolaldheyde (HO-CH 2 -CHO) and protected derivatives thereof, so as to yield the corresponding addition product of formula R f -O-CFH-CF 2 -O-CH 2 -E, with R f having the same meaning as above detailed, and E being selected among -CH 2 OH, -COOH and -CHO; (B) optionally protecting functional group E with suitable chemistry; (C) fluorinating said (protected) addition product to yield the corresponding perfluorinated addition product; (D) optionally deprotecting said perfluorinated addition product to yield corresponding acyl fluoride of formula R f -O-CF 2 -CF 2 -O-CF 2 -C(O)F; (E) hydrolyzing and, optionally, neutralizing, said acyl fluoride for yielding the perfluorooxycarboxylate of formula (I).
    • 本发明涉及制备式(I)的全氟氧化羧酸酯的新方法:RfO-CF 2 CF 2 -O-CF 2 -COOa(I)其中Rf是全氟(氧)烷基,Xa是H,一价金属 或NRN 4的铵基团,其中RN在每次出现时相同或不同,为H或C 1-6烃基,所述方法包括:(A)使式Rf-O-CF = CF 2的全氟乙烯基醚与 选自乙二醇(HO-CH 2 CH 2 -OH),乙醇酸(HO-CH 2 -COOH),乙二醇醛(HO-CH2-CHO)及其保护的衍生物的乙二醇衍生物,得到相应的式Rf- O-CFH-CF2-O-CH2-E,其Rf具有与上述相同的含义,E选自-CH 2 OH,-COOH和-CHO; (B)任选地用合适的化学保护官能团E; (C)氟化所述(保护)加成产物以产生相应的全氟化加成产物; (D)任选地使所述全氟化加成产物脱保护,得到相应的式Rf-O-CF2-CF2-O-CF2-C(O)F的酰基氟; (E)水解和任选地中和所述酰氟以产生式(I)的全氟氧基羧酸酯。