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    • 5. 发明申请
    • INTEGRATED PROCESS TO CO-PRODUCE 1,1,1,3,3-PENTAFLUOROPROPANE, TRANS-1-CHLORO-3,3,3-TRIFLUOROPROPENE and TRANS-1,3,3,3-TETRAFLUOROPROPENE
    • 合成方法共同生产1,1,1,3,3-三氟硼酸,反式-1-氯代-3,3,3-三氟丙烯和TRANS-1,3,3,3-四氯丙烯
    • US20120271070A1
    • 2012-10-25
    • US13093007
    • 2011-04-25
    • Haiyou WangDaniel C. MerkelKonstantin A. PokrovskiHsueh Sung TungIan Shankland
    • Haiyou WangDaniel C. MerkelKonstantin A. PokrovskiHsueh Sung TungIan Shankland
    • C07C17/38C07C17/25
    • C07C17/206C07B2200/09C07C17/087C07C17/25C07C17/383Y02P20/125C07C19/10C07C19/08C07C21/18
    • Disclosed is a fully integrated process for making 1,1,1,3,3-pentafluoropropane (HFC-245fa), trans-1-chloro-3,3,3-trifluoropropene (HCFO-1233zd(E)), and trans-1,3,3,3-tetrafluoropropene (HFO-1234ze(E)). The chemistry involves (a) the reaction of 1,1,1,3,3-pentachloropropane (HCC-240fa), or a derivative thereof selected from 1,1,3,3-tetrachloropropene and 1,3,3,3-tetrachloropropene, with anhydrous HF in excess in the presence of a catalyst in a liquid-phase reactor in such a way as to co-produce HCFO-1233zd, HFO-1234ze, HCFC-244fa (3-chloro-1,1,1,3-tetrafluoropropane), and HFC-245fa in a first reactor; (b) the reaction of HCFO-1233zd and HFO-1234ze with HCl in excess in the presence of a catalyst in a second reactor to convert these two olefins into HCFC-243fa and HCFC-244fa, respectively; (c) the reaction of HCFC-243fa and HCFC-244fa over a dehydrochlorination catalyst or in a caustic solution in a third reactor to form HCFO-1233zd and HFO-1234ze; and (d) the reaction of HCFO-1233zd(Z) and HFO-1234ze(Z) in the presence of a catalyst in a fourth reactor to form trans-1233zd and trans-1234ze, respectively.
    • 公开了制备1,1,1,3,3-五氟丙烷(HFC-245fa),反式-1-氯-3,3,3-三氟丙烯(HCFO-1233zd(E))的完全一体化方法, 1,3,3,3-四氟丙烯(HFO-1234ze(E))。 该化学方法包括(a)1,1,1,3,3-五氯丙烷(HCC-240fa)或其衍生物选自1,1,3,3-四氯丙烯和1,3,3,3-四氯丙烯的反应, 四氯丙烯,在催化剂存在下,在液相反应器中以无水HF过剩,以共同生产HCFO-1233zd,HFO-1234ze,HCFC-244fa(3-氯-1,1,1, 3-四氟丙烷)和HFC-245fa在第一反应器中; (b)HCFO-1233zd和HFO-1234ze与HCl在过渡催化剂存在下在第二反应器中的反应,分别将这两种烯烃转化为HCFC-243fa和HCFC-244fa; (c)HCFC-243fa和HCFC-244fa在脱氯化氢催化剂或第三反应器中的苛性碱溶液中的反应,形成HCFO-1233zd和HFO-1234ze; 和(d)HCFO-1233zd(Z)和HFO-1234ze(Z)在催化剂存在下在第四反应器中的反应分别形成反式-1233zd和反式1234ze。
    • 10. 发明申请
    • INTEGRATED PROCESS TO PRODUCE 2,3,3,3-TETRAFLUOROPROPENE
    • 综合方法生产2,3,3,3-四氯丙烯
    • US20090240090A1
    • 2009-09-24
    • US12404130
    • 2009-03-13
    • Daniel C. MerkelHsueh Sung TungKonstantin A. PokrovskiSelma BektesevicRobert JohnsonHaiyou Wang
    • Daniel C. MerkelHsueh Sung TungKonstantin A. PokrovskiSelma BektesevicRobert JohnsonHaiyou Wang
    • C07C17/20
    • C07C21/18C01B7/035C01B7/0706C01B7/195C07C17/087C07C17/10C07C17/206C07C17/25C07C17/383Y02P20/125Y02P20/582C07C19/10
    • A method for preparing 2,3,3,3-tetrafluoroprop-1-ene comprising (a) providing a starting composition comprising at least one compound having a structure selected from Formulae I, II and III: CX2═CCl—CH2X  (Formula I) CX3—CCl═CH2  (Formula II) CX3—CHCl—CH2X  (Formula III) wherein X is independently selected from F, Cl, Br, and I, provided that at least one X is not fluorine; (b) contacting said starting composition with a first fluorinating agent to produce a first intermediate composition comprising 2-chloro-3,3,3-trifluoropropene and a first chlorine-containing byproduct; (c) contacting said first intermediate composition with a second fluorinating agent to produce a second intermediate composition comprising 2-chloro-1,1,1,2-tetrafluoropropane and a second chlorine-containing byproduct; and (d) catalytically dehydrochlorinating at least a portion of said 2-chloro-1,1,1,2-tetrafluoropropane to produce a reaction product comprising 2,3,3,3-tetrafluoroprop-1-ene.
    • 一种制备2,3,3,3-四氟丙-1-烯的方法,包括(a)提供起始组合物,其包含至少一种具有选自式I,II和III的结构的化合物: =“直线公式”end =“lead”?> CX2-CCl-CH2X(式I)<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line -formulae description =“In-line Formulas”end =“lead”?> CX3-CCl-CH2(式II)<?in-line-formula description =“In-line Formulas”end =“tail”?> in-line-formula description =“In-line Formulas”end =“lead”?> CX3-CHCl-CH2X(式III)<?in-line-formula description =“In-line Formulas”end =“tail”? >其中X独立地选自F,Cl,Br和I,条件是至少一个X不是氟; (b)使所述起始组合物与第一氟化剂接触以产生包含2-氯-3,3,3-三氟丙烯和第一含氯副产物的第一中间体组合物; (c)使所述第一中间体组合物与第二氟化剂接触以产生包含2-氯-1,1,1,2-四氟丙烷和第二含氯副产物的第二中间体组合物; 和(d)将至少一部分所述2-氯-1,1,1,2-四氟丙烷催化脱氯化氢以产生包含2,3,3,3-四氟丙-1-烯的反应产物。