- Process for the preparation of C3-7 fluoroalkenes by base-mediated dehydrohalogenation of hydrohalogenated C3-7 fluoroalkanes

摘要

The present invention has the formula _{CF 3 CF = CHX, CHX 2} CX = CX 2 or a linear or branched C _4-7 (hydro) fluoro roal Ken compound (wherein each X is, independently, H or F, only CHX ₂ CX = from CX ₂ as at least one X is a method for producing F Lim), the formula _{CF 3 CFYCH 2 X, CF 3} CFHCYHX, CHX 2 CXYCX 2 H, CHX 2 CXHCX 2 Y, or a linear or branched Dehydrohalogenating a C _{4- 7} hydro (halo) fluoroalkane, wherein each X is independently H or F, with the proviso that CHX ₂ CXYCX ₂ H and CHX ₂ CXHCX ₂ At least one X in Y is F, wherein Y is F, Cl, Br, or I in the presence of a salt.