中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 5-chloro-1-methyl-1H-benzo[c]isothiazol-3-one | 55113-98-9 | C8H6ClNOS | 199.661 |
—— | 5-chloro-1-ethyl-1H-benzo[c]isothiazol-3-one | 67943-76-4 | C9H8ClNOS | 213.688 |
—— | 1-allyl-5-chloro-1H-benzo[c]isothiazol-3-one | 67943-79-7 | C10H8ClNOS | 225.699 |
3,5-二氯-2,1-苯并噻唑 | 3,5-dichloro-benzo[c]isothiazole | 37798-61-1 | C7H3Cl2NS | 204.08 |
—— | 5-Chlor-3-oxo-2,1-benzisothiazolin-1-essigsaeure | 55114-03-9 | C9H6ClNO3S | 243.671 |
—— | 1-benzyl-5-chloro-1H-benzo[c]isothiazol-3-one | 67943-78-6 | C14H10ClNOS | 275.759 |
—— | (5-chloro-3-oxo-3H-benzo[c]isothiazol-1-yl)-acetic acid ethyl ester | 67943-77-5 | C11H10ClNO3S | 271.724 |
Both N-alkyl and O-alkyl derivatives of 2,1-benzisothiazolin-3-one (1) have been prepared by unambiguous syntheses. Comparison of ultraviolet spectra indicates that (1) exists in the keto form rather than as its tautomer 2,1-benzisothiazol-3-ol (2). Alkylation of the anion of (1) yields N-alkylated products.