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【结 构 式】

【分子编号】24826

【品名】3-oxo-2,3-dihydro-1H-1,2-benzisothiazole-1,1-diolate

【CA登记号】

【 分 子 式 】C7H5NO3S

【 分 子 量 】183.18764

【元素组成】C 45.9% H 2.75% N 7.65% O 26.2% S 17.5%

与该中间体有关的原料药合成路线共 1 条

合成路线1

该中间体在本合成路线中的序号:(I)

The reaction of benzoisothiazole-3(2H)-one-1,1-dioxide (I) with 1,4-dibromobutane (II) by means of NaH in DMF gives 2-(4-bromobutyl)benzoisothiazole-3(2H)-one-1,1-dioxide (III), which is then condensed with 1-(2 pyrimidinyl)piperazine (IV) by means of K2CO3 in refluxing chlorobenzene.

1 Seidel, P.-R.; Horstmann, H.; Traber, J.; Dompert, W.; Glaser, T.; Schuurman, T. (Troponwerke GmbH & Co KG); 2-pyrimidinyl-1-piperazine derivatives, proceses for their preparation and medicaments containing them. EP 0129128; JP 60023373; US 4818756; US 4937343; US 4988809 .
2 Castaner, J.; Prous, J.; Ipsapirone. Drugs Fut 1986, 11, 7, 565.
中间体序号 中间体编号 品名 CAS号 分子式 供应商 用于合成
(I) 24826 3-oxo-2,3-dihydro-1H-1,2-benzisothiazole-1,1-diolate C7H5NO3S 详情 详情
(II) 11883 1,4-Dibromobutane; 1,4-Butylene bromide 110-52-1 C4H8Br2 详情 详情
(III) 24828 2-(4-bromobutyl)-3-oxo-2,3-dihydro-1H-1,2-benzisothiazole-1,1-diolate C11H12BrNO3S 详情 详情
(IV) 11175 2-(1-Piperazinyl)pyrimidine; 2-Piperazinopyrimidine; N-(Pyrimidinyl)piperazine 20980-22-7 C8H12N4 详情 详情
Extended Information