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ChemicalBook CAS DataBase List 2,5-Bis(2,2,2-trifluoroethoxy)benzoic acid
35480-52-5

2,5-Bis(2,2,2-trifluoroethoxy)benzoic acid synthesis

5synthesis methods
-

Yield:35480-52-5 93.5%

Reaction Conditions:

with C10H12N2O8(4-)*Cu(2+)*2H4N(1+) in N,N-dimethyl-formamide at 20; for 4 h;Reagent/catalyst;

Steps:

1-23; 1-4

S1,After mixing 5mol of EDTA-copper ammonium complex with 5mol of DMF solvent,Put 1mol of 5-bromo-2-chlorobenzoic acid and trifluoroethanol and mix well,React at 20°C for 4h;
S2,The reaction system in step S1 is diluted with 5ml of water,Then adjust the pH to 6 to precipitate crystals;
S3. The crystals precipitated in the step S2 of separation are 2,5-bis(2,2,2-trifluoroethoxy)benzoic acid.

References:

CN112010748,2020,A Location in patent:Paragraph 0026-0043; 0045

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