As a common heterocyclic compound, it belongs to isothiazole compound, name is 3-Piperazinobenzisothiazole hydrochloride, and cas is 87691-88-1, its synthesis route is as follows.
EXAMPLE 75 3-[4-[1-(1,2-Benzisothiazol-3-yl)-4-piperazinyl]-butyl]-1-thia-3-azaspiro[4.4]nonan-4-one A mixture of 3-(4-bromobutyl)-1-thia-3-azaspiro[4.4]-nonan-4-one (4.50 g), 1-(1,2-benzisothiazol-3-yl)piperazine hydrochloride (4.33 g), K2 CO3 (7.45 g) and NaI (560 mg), in acetonitrile (220 ml) was heated at 65 C. for 14.5 hours and the product was processed in substantially the same manner as in Example 10 to afford 2.25 g of crystals, m.p. 200-203 C. ANALYSIS: Calculated for C22 H30 N4 OS2 *HCl: 56.57%C; 6.69%H; 11.99%N; 7.59%Cl. Found: 56.15%C; 6.75%H; 12.11%N; 7.88%Cl.
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Reference£º
Patent; Hoechst-Roussel Pharmaceuticals Inc.; US4933453; (1990); A;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com