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CAS 2516-95-2
5-chloro-2-nitrobenzoic acid
登记编号：TOLV-024、Lopix-020、CAROM-009
应用背景（按来源药适应症）
常染色体显性多囊肾病托伐普坦纤维化托伐普坦低钠血症托伐普坦心脏衰竭托伐普坦抗利尿激素分泌失调综合征托伐普坦瘙痒症氯马昔巴特进行性家族性肝内胆汁淤积症氯马昔巴特Alagille综合征氯马昔巴特胆汁淤积氯马昔巴特肝脏疾病氯马昔巴特肝内胆汁淤积氯马昔巴特溃疡性结肠炎Carotegrast methyl
来源药（使用该中间体的合成路线）
| 品种 | 梯队 | 到期年 |
|---|---|---|
| 托伐普坦Tolvaptan | Tier B · 提前布局 | 2028 |
| 氯马昔巴特Maralixibat Chloride | Tier C · 观察 / 贸易 | - |
| Carotegrast methyl | Tier C · 观察 / 贸易 | - |
合成路线中的位置（上下游链）
按路线登记顺序排列，左→右为合成方向；高亮为当前 CAS，其余可点击跳转对应档案。
7-chloro-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one→3-methyl-4-nitrobenzoyl chloride→7-chloro-1-(2-methyl-4-nitrobenzoyl)-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one→1-(4-amino-2-methylbenzoyl)-7-chloro-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one→2-methylbenzoyl chloride→N-(4-(7-chloro-5-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-1-carbonyl)-3-methylphenyl)-2-methylbenzamide→5-chloro-2-nitrobenzoic acid→methyl 5-chloro-2-nitrobenzoate→methyl 2-amino-5-chlorobenzoate→methyl 5-chloro-2-((4-methylphenyl)sulfonamido)benzoate→ethyl 4-bromobutanoate→methyl 5-chloro-2-((N-(4-ethoxy-4-oxobutyl)-4-methylphenyl)sulfonamido)benzoate→methyl 7-chloro-5-oxo-1-tosyl-2,3,4,5-tetrahydro-1H-benzo[b]azepine-4-carboxylate→7-chloro-1-tosyl-1,2,3,4-tetrahydro-5H-benzo[b]azepin-5-one
1-Benzothiepin-4-ol, 3,3-dibutyl-7-(dimethylamino)-2,3,4,5-tetrahydro-5-(4-methoxyphenyl)-, 1,1-dioxide, (4R,5R)-rel→1-Benzothiepin-4-ol, 3,3-dibutyl-7-(dimethylamino)-2,3,4,5-tetrahydro-5-(4-hydroxyphenyl)-, 1,1-dioxide, (4R,5R)→1,4-bis(chloromethyl)benzene→1-Benzothiepin-4-ol, 3,3-dibutyl-5-[4-[[4-(chloromethyl)phenyl]methoxy]phenyl]-7-(dimethylamino)-2,3,4,5-tetrahydro-, 1,1-dioxide, (4R,5R)→5-chloro-2-nitrobenzoic acid→anisole→(2-chloro-5-nitrophenyl)(4-methoxyphenyl)methanone→1-chloro-2-(4-methoxybenzyl)-4-nitrobenzene→2-butyl-2-((2-(4-methoxybenzyl)-4-nitrophenylthio)methyl)hexanal→2-butyl-2-((2-(4-methoxybenzyl)-4-nitrophenylsulfonyl)methyl)hexanal→2-((4-amino-2-(4-methoxybenzyl)phenylsulfonyl)methyl)-2-butylhexanal→benzyl 4-(2-butyl-2-formylhexylsulfonyl)-3-(4-methoxybenzyl)phenylcarbamate→Lopix-028→Lopix-029
(S)-2-amino-3-(4-nitrophenyl)propanoic acid→2,6-dichlorobenzoyl chloride→(S)-2-(2,6-dichlorobenzamido)-3-(4-nitrophenyl)propanoic acid→methyl (S)-2-(2,6-dichlorobenzamido)-3-(4-nitrophenyl)propanoate→methyl (S)-3-(4-aminophenyl)-2-(2,6-dichlorobenzamido)propanoate→methyl 2-amino-5-(dimethylamino)benzoate dihydrochloride→methyl (S)-2-(3-(4-(2-(2,6-dichlorobenzamido)-3-methoxy-3-oxopropyl)phenyl)ureido)-5-(dimethylamino)benzoate→methyl (S)-2-(2,6-dichlorobenzamido)-3-(4-(6-(dimethylamino)-2,4-dioxo-1,4-dihydroquinazolin-3(2H)-yl)phenyl)propanoate→5-chloro-2-nitrobenzoic acid→5-(dimethylamino)-2-nitrobenzoic acid→methyl 5-(dimethylamino)-2-nitrobenzoate
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