Analyzing the synthesis route of 4-Cyclopropylbenzene-1-sulfonyl chloride

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference of 167404-32-2, A common heterocyclic compound, 167404-32-2, name is 4-Cyclopropylbenzene-1-sulfonyl chloride, molecular formula is C9H9ClO2S, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Compound 46. Crude compound 45 (13.3 g) was dissolved in 200 mL of acetone and 60 mL of water. Potassium fluoride (7.12 g, 122 mmol) was added and the reaction mixture was stirred overnight at rt. The reaction mixture was diluted with EtOAc and washed with water. The organic layer was dried with Na2SO4, filtered, and concentrated to dryness to give 9.80 g (97%) of crude p-cyclopropyl benzenesulfonyl fluoride (Compound 46).

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Patent; Schering Corporation; US2003/232859; (2003); A1;,
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics