摘要:
Disclosed are methods for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CHXCH2X (I) to at least one compound of formula (II) CF3CZCHZ (II). where X is independently Cl, Br, I or F, and Z independently is H or F. In certain preferred embodiments, each Z is different.
摘要:
Disclosed is a process for the preparation of fluorinated olefins. In preferred embodiments C3 olefins are produced by methods comprising contacting a compound of the Formula (I) C(R1aR2bR3c) (I) with a compound of Formula (II) C(R1aR2bR3c)Cn(R1aR2bR3c) II wherein R1a, R2b, and R3c are independently a hydrogen atom or a halogen selected from the group consisting of fluorine; chlorine, bromine and iodine, provided that the compound of formula I has at least three halogen substituents and that said at three halogen substituents comprise at least one fluorine; a, b and c are independently=0, 1, 2 or 3 and (a+b+c)=2 or 3; and n is 0 or 1, under conditions effective to produce at least one C3 fluoroolefin.
摘要翻译:公开了一种制备氟化烯烃的方法。 在优选的实施方案中,C3烯烃通过以下方法制备:包括使式(I)的化合物<?in-line-formula description =“In-line Formulas”end =“lead”→C(R 1> (I)&lt;&lt;&lt; 2&gt;&lt; 3&gt; in-line-formula description =“In-line Formulas”end =“tail”?>与式(II)的化合物<?in-line-formula description =“In-line Formulas”end =“lead”?> C(R 1)1 R 2 R 2 R 3 R 3 R 3, (R 1)R 1 R 2 R 2 R 2 R 2 R 2 R 2 其中R 1' u> u> u> u> R 1,R 2,R 3和R 3独立地是氢原子或 选自氟的卤素; 氯,溴和碘,条件是式I化合物具有至少三个卤素取代基,并且在三个卤素取代基上含有至少一个氟; a,b和c独立地为= 0,1,2或3,(a + b + c)= 2或3; 在有效产生至少一种C3氟代烯烃的条件下,n为0或1。
摘要:
Disclosed in one embodiment is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises (a) reacting a compound of formula (I) X1X2 with a compound of formula (II) CF3CH═CH2 to produce a reaction product comprising a compound of formula (III) CF3CHX1CH2X2, wherein X1 and X2 are each independently selected from the group consisting of hydrogen, chlorine, bromine and iodine, provided that X1 and X2 are not both hydrogen; (b) when X2 in formula (III) is not fluorine, fluorinating the compound of formula (III) to produce a reaction product comprising a compound of formula (III) wherein X1 is as described above and X2 is fluorine; and (c) exposing said compound of formula (III) to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene. In another embodiment, the process comprises (a) reacting chlorine with a compound of formula (I) CH3CH═CH2 to produce a reaction product comprising a compound of formula (II) CCl3CHC1CH2C1; (b) fluorinating the compound of formula (II) to produce a reaction product comprising a compound of formula (III) CF3CHC1CH2F; and (c) exposing said compound of said formula (III) to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene.
摘要:
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene that comprises, in one preferred embodiment, providing a compound of the formula CF3CH2CHFX, wherein X is a selected from the group consisting of chlorine, bromine and iodine, and exposing said compound to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene. Other processes for forming 1,3,3,3-tetrafluoropropene are also disclosed.
摘要:
Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane.
摘要:
Disclosed is a process for the synthesis of 1,3,3,3-tetrafluoropropene comprising: a) reacting a compound of the formula (I) CHFX2 with a compound of formula (II) CH2═CF2 to produce a reaction product comprising a compound of formula (III) CHXFCH2CXF2, wherein each X is independently selected from the group consisting of chlorine, bromine and iodine; and (b) exposing said compound of formula (III) to reaction conditions effective to convert said compound to 1,3,3,3-tetrafluoropropene.
摘要:
Provided are methods for producing hydrofluorocarbons via the selective reduction of a halocarbon blend comprising 1,3-dichloro-1,1,2,2,3-pentafluoropropane.
摘要:
Disclosed is a process for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of Formula (I): C(X)3CF2C(X)3 (I) to at least one compound of Formula (II) CF3CF═CHZ (II) where each X and Z is independently H, F, Cl, I or Br, said process preferably not including any substantial amount of oxygen-containing catalyst in certain embodiments. Preferably Z is H.
摘要:
Disclosed is a method for producing fluorinated organic compounds, including hydrofluoropropenes, which preferably comprises converting at least one compound of formula (I): CF3CFnCHmXa-m (I) to at least one compound of formula (II) CF3CZCHZ (II). where each X is independently Cl, F, I or Br; each Z is independently H or F; n is 1 or 2; m is 1, 2 or 3, provided that when n is 1, m is 1 or 2; a is 2 or 3, and a-m≧0. Certain embodiments include the step of reacting fluorinated C2 olefin, such as tetrafluoroethylene, with a Cl addition agent under conditions effective to produce a compound of formula (I).
摘要翻译:公开了一种制备氟化有机化合物的方法,包括氢氟丙烯,其优选包括将至少一种式(I)化合物:CF 3 CF n CH m X a-m(I)转化为至少一种式(II)CF 3 CZCHZ(II)化合物。 其中每个X独立地为Cl,F,I或Br; 每个Z独立地为H或F; n为1或2; m为1,2或3,条件是当n为1时,m为1或2; a为2或3,a-m≥0。 某些实施方案包括在有效产生式(I)化合物的条件下,将氟化C 2烯烃如四氟乙烯与Cl加成剂反应的步骤。
摘要:
A method for preparing fluorinated organic compounds wherein at least one fluorinated olefin is reacted with methyl fluoride in the gas-phase and in the presence of a Lewis Acid catalyst to form at least one product having at least 3 carbon atoms.