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    • 17. 发明申请
    • Synthesis of carbon-labeled perfluoroalkyl compounds
    • 碳标记的全氟烷基化合物的合成
    • US20080097131A1
    • 2008-04-24
    • US12001269
    • 2007-12-11
    • Alexander ShtarovJon Howell
    • Alexander ShtarovJon Howell
    • C07C19/16
    • C07B59/001C07B2200/05C07C19/16C07C21/18C07C41/18C07C43/123C07C51/15C07C51/60C07C51/62C07C309/06C07C53/21C07C53/50C07C59/135
    • Various 13C and 14C carbon labeled compounds Rf—bCF(U)y(T)z  Formula 1A or Rf—bCF2bCF(U)y(T)z  Formula 1B wherein Rf is a linear or branched perfluoroalkyl radical Z(CmF2m)—, m is 1, 3 to 20, or a mixture thereof; Z is F when m is 1, and Z is F, Cl, or H when m is 3 to 20 or a mixture thereof; b is 13 or 14; y is 1, and z is 0 or 1; and when y and z are each 1, U is F, and T is selected from the group consisting of monovalent radicals —X wherein X is I or Br, —CH2—CH2—X, —CH═CH2, —CH2—CH2—OH, —CH2—COOH, —CH2OH, —bCH2OH, —COOH, —bCOOH, —O—CF(CF3)—C(O)F, —O—CF(CF3)—X, —SO2Y wherein Y is H, F or Cl, and —SO3H; and when y is 1, and z is 0, U is selected from the group consisting of divalent radicals ═CH—COOH, ═CH—CH2—OH, and =0, are disclosed, and a process for their preparation which selectively introduces 13C and 14C carbon labels into a fluoroalkyl chain.
    • 各种 13 C和14 C碳标记的化合物<?in-line-formula description =“In-line Formulas”end =“lead”?> R f 式(1A)或<β在线公式描述=“In” -line公式“end =”tail“?> <?in-line-formula description =”In-line Formulas“end =”lead“?> R CF(U)y(T)>>>>> formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas formulas>>>>>>>>>>>>>>>>>>> formulas formulas formulas formulas formulas description =“In-line Formulas”end =“tail”?>其中R f是直链或支链的全氟烷基Z(C m 2 F 2 m) SUB-) - ,m为1,3至20,或其混合物; 当m为1时,Z为F,当m为3至20时Z为F,Cl或H或其混合物; b为13或14; y为1,z为0或1; 当y和z各自为1时,U为F,T选自单价基团-X,其中X为I或Br,-CH 2 -CH 2, -X,-CH-CH 2,-CH 2 -CH 2 -OH,-CH 2 CH 2, SO 2 -COOH,-CH 2 OH, - CH 2 CH 2 OH,-COOH, - CO 2 COOH ,-O-CF(CF 3) - C(O)F,-O-CF(CF 3) - X,-SO 2