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CAS 191092-08-7
(S)-1-tert-Butoxycarbonyl-3-(p-toluenesulfonyloxymethyl)piperidine
Codes：(IIa)461018-6-a、(II)461018-12-a、(II)461018-32-a
Application context (from source-drug indications)
华氏巨球蛋白血症伊布替尼慢性淋巴细胞白血病伊布替尼套细胞淋巴瘤伊布替尼移植物抗宿主病伊布替尼
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 伊布替尼Ibrutinib | Tier A — Act now | 2027 |
Position in synthesis routes (up/downstream chain)
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(3S)-1-(tert-Butoxycarbonyl)-3-hydroxypiperidine→(S)-1-tert-Butoxycarbonyl-3-(p-toluenesulfonyloxymethyl)piperidine→tert-Butyl (3S)-3-[[tert-butyl(dimethyl)silyl]oxy]piperidine-1-carboxylate→(3S)-Piperidin-3-yl 4-methylbenzenesulfonate→(3S)-3-[[tert-Butyl(dimethyl)silyl]oxy]piperidine→2-Propenoyl chloride→2-Propenoic acid→(3S)-1-Acryloylpiperidin-3-yl 4-methylbenzenesulfonate→1-[(3S)-3-[[tert-Butyl(dimethyl)silyl]oxy]piperidin-1-yl]prop-2-en-1-one→(3S)-1-Acryloylpiperidin-3-yl 4-nitrobenzenesulfonate→3-(4-Phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
(3S)-1-(tert-Butoxycarbonyl)-3-hydroxypiperidine→(S)-1-tert-Butoxycarbonyl-3-(p-toluenesulfonyloxymethyl)piperidine→3-Bromo-1H-pyrazolo[3,4-d]pyrimidin-4-amine→3-Iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine→tert-Butyl (3R)-3-(4-amino-3-bromo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carboxylate→tert-Butyl (3R)-3-(4-amino-3-iodo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carboxylate→3-Bromo-1-[(3R)-piperidin-3-yl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine→3-Iodo-1-[(3R)-piperidin-3-yl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine→3-(4-Phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine→(3R)-3-[4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]-1-piperidinecarboxylic acid 1,1-dimethylethyl ester→(R)-3-(4-phenoxyphenyl)-1-(piperidin-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
(3S)-1-(tert-Butoxycarbonyl)-3-hydroxypiperidine→(S)-1-tert-Butoxycarbonyl-3-(p-toluenesulfonyloxymethyl)piperidine→(3S)-Piperidin-3-yl 4-methylbenzenesulfonate→(Chloromethyl)acetyl chloride→(3S)-1-(3-Chloropropanoyl)piperidin-3-yl 4-methylbenzene-1-sulfonate→3-(4-Phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine→1-[(3R)-3-[4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-chloropropan-1-one
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