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ChemicalBook CAS DataBase List Cyclohexanecarbonyl chloride, 4,4-difluoro- (9CI)
376348-75-3

Cyclohexanecarbonyl chloride, 4,4-difluoro- (9CI) synthesis

4synthesis methods
122665-97-8 Synthesis
4,4-Difluorocyclohexanecarboxylic acid

122665-97-8
294 suppliers
$18.00/250mg

-

Yield:376348-75-3 100%

Reaction Conditions:

with dichloro sulfoxide in toluene;Reflux;

Steps:

The preparation of 4,4-difluorocyclohexanecarbonyl chloride (8)

To the solution of 4,4-difluorocyclohexanecarboxylic acid (3 g, 18.3 mmol, 1 Eq.) dissolved in 7.5 ml toluene SOCl2 (6.6 ml, 5 Eq.) was added. The mixture was refluxed and stirred for 2-3 h. TLC showed the acid was consumed up, cooled, concentrated to yield about 2.5 g dryness oil (100% yield).

References:

Zhu, Yijun;Li, Hongyan;Lin, Kuaile;Wang, Bing;Zhou, Weicheng [Synthetic Communications,2019,vol. 49,# 13,p. 1721 - 1728] Location in patent:supporting information