On January 21, 2009, Li, Shaotong published a patent.SDS of cas: 26172-54-3 The title of the patent was Method for synthesizing alkyl isothiazolone hydrochloride by chlorination-cyclization of alkyl dithiodipropionamide with chlorine and sulfuryl chloride. And the patent contained the following:
The invention relates to a method for synthesizing alkyl isothiazolone hydrochloride by chlorination-cyclization of alkyl dithiodipropionamide or alkyl thiopropionamide with chlorine and sulfuryl chloride. The method has advantages of simple operation, low cost and high conversion rate. The experimental process involved the reaction of 2-Methylisothiazol-3(2H)-one hydrochloride(cas: 26172-54-3).SDS of cas: 26172-54-3
The Article related to thiazolone methyl hydrochloride preparation, Heterocyclic Compounds (More Than One Hetero Atom): Thiazoles, Isothiazoles and other aspects.SDS of cas: 26172-54-3
Referemce:
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com