FLUORINE-CONTAINING COMPOUND PRODUCTION PROCESS

FIELD: industrial organic synthesis. ^ SUBSTANCE: invention provides improved process for production of a fluorine-containing compound useful as starting material for manufacture of a variety of fluoropolymers with high output when performing short process and using inexpensive and easily accessible chemicals. Process comprises: (i) interaction of indicated below compound 1 with indicated below compound 2 to form indicated below desired compound 3, which is a compound, wherein content of fluorine is at least 30 wt % and which has hydrogen atom or multiple bond capable of being fluorinated; and (ii) liquid-phase fluorination of compound 3 to give indicated below compound 4 followed by (iii) cleaving group EF in compound 4 to produce compound 5 and compound 6: E1-RA-E1 (1), E2-RB (2), RB-E-RA-E-RB (3), ^ RBF-EF-RAF-EF-RBF (4), EF1-RAF-EF1 (5), ^ and RBF-EF2 (6), where RAF represents fluorine-containing bivalent saturated, linear or branched hydrocarbon group optionally containing halogen atom other than fluorine and optionally containing one or several ether oxygen atoms; RA represents group, which is the same as group RAF or bivalent organic group capable of being converted into group RAF using fluorination reaction; RBF represents fluorine-containing polyvalent saturated, linear or branched hydrocarbon group optionally containing halogen atom other than fluorine and optionally containing one or several ether or carbonyl oxygen atoms; RB represents group, which is the same as group RBF or polyvalent organic group capable of being converted into group RBF using fluorination reaction; E1 and E2 are such that, when group E1 is -CH2OH or Q1-CH2OH group, then group E2 is -COX or -SO2X group and, when group E2 is -CH2OH or -Q2-CH2OH group, then group E1 is -COX or -SO2X group, where X is halogen atom and Q1 and Q2 may be identical or different and represent -CH(CH3)- or -CH2CH2- group; E represents group -CH2OCO-, -CH2OSO2-, -Q1-CH2OCO-, -Q2-CH2OCO-, -Q1-CH2OSO2-, or -Q2-CH2OSO2-; EF represents group, which is the same as group E or group obtained by fluorination if group E on conditions that at least one group RAF, RBF, or EF is a group formed by fluorination reaction and groups EF1 and EF2 are groups formed by cleaving group EF. Invention also relates to novel fluorine-containing compounds of formulas 3-12, 3-13, 3-14, 3-15, 3-16, 4-12, 4-13, 4-14, 4-15, 4-16, 5-16, which are indicated in description. ^ EFFECT: increased resource of raw materials for production