Application of 1,2,3,4-Tetrahydroisoquinoline

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The isothiazole compound, cas is 87691-88-1 name is 3-Piperazinobenzisothiazole hydrochloride, mainly used in chemical industry, its synthesis route is as follows.,87691-88-1

To a solution of 6-(2-chloro-ethyl)-4,4,8-trimethyl-3,4-dihydro-1H-quinolin-2-one (1.5eq) in dioxane/H2O (0.03M 1:1) was added sodium carbonate (2.2 eq), sodium iodide (catalytic), and added 3-piperazin-1-yl-benzo[d]isothiazole hydrochloride (1.0eq). The reaction mixture was heated to reflux for 24-72 hours. The reaction mixture was then concentrated and partitioned between H2O and CH2CI2. The organic layer was dried (MgSO4), concentrated and purified by chromatography (4:1 EA/Hex) to yield the title compound in 15-48% yield. LC/MS column: Phenomenex Develosil Combi-RP-3 3Μ 50×4.6mm, length 150×4.6

With the rapid development of chemical substances, we look forward to future research findings about 87691-88-1

Reference£º
Patent; WARNER-LAMBERT COMPANY LLC; WO2004/26864; (2004); A1;,
Isothiazole – Wikipedia
Isothiazole – ScienceDirect.com