CH3OC6H4SO2Cl

CH3OC6H4SO2Cl is the chemical formula for methoxybenzenesulfonyl chloride. It is an organic compound belonging to the class of sulfonyl chlorides. The molecule consists of a benzene ring substituted with a methoxy group (CH3O-) and a sulfonyl chloride group (-SO2Cl). The methoxy group is an electron-donating group, while the sulfonyl chloride group is electron-withdrawing and reactive. This compound is typically a solid at room temperature and may have a characteristic odor. It is used as a reagent in organic synthesis, particularly in the formation of sulfonamides and sulfonates. The reactive sulfonyl chloride group readily undergoes nucleophilic substitution reactions with amines and alcohols, respectively. Its synthesis often involves the chlorosulfonation of anisole (methoxybenzene). Due to its reactivity, it should be handled with care in a well-ventilated area and appropriate personal protective equipment should be used. It can react with moisture, releasing hydrochloric acid.