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CAS 105-45-3
methyl 3-oxobutanoate1-Methoxybutane-1,3-dione
Codes：PALB-052、(IV)1024528-3-a、(II)638294-10-a,(II)638294-10-b
Application context (from source-drug indications)
乳腺癌哌柏西利非小细胞肺癌普拉替尼甲状腺瘤普拉替尼甲状腺髓样癌普拉替尼收缩性心力衰竭非奈利酮舒张期心力衰竭非奈利酮心脏衰竭非奈利酮慢性肾功能不全非奈利酮糖尿病肾病非奈利酮二型糖尿病非奈利酮
Source drugs (routes using this intermediate)
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate→5-bromo-2-nitropyridine→tert-butyl 4-(6-nitropyridin-3-yl)piperazine-1-carboxylate→piperazine→1-(6-nitropyridin-3-yl)piperazine→PALB-044→(Z)-tert-butyl 4-(6-(2,3-bis(tert-butoxycarbonyl)guanidino)pyridin-3-yl)piperazine-1-carboxylate→1-(5-(piperazin-1-yl)pyridin-2-yl)guanidine hydrochloride→(E)-methyl 2-acetylbut-2-enoate→6-acetyl-4-amino-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-5,6-dihydropyrido[2,3-d]pyrimidin-7(8H)-one→6-acetyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-5,6-dihydropyrido[2,3-d]pyrimidin-7(8H)-one→chlorocyclopentane→6-acetyl-8-cyclopentyl-5-methyl-2-((5-(piperazin-1-yl)pyridin-2-yl)amino)-5,6-dihydropyrido[2,3-d]pyrimidin-7(8H)-one→methyl 3-oxobutanoate
Methyl 4-cyano-1-methoxycyclohexane-1-carboxylate→Methyl 4-[imino(methoxy)methyl]-1-methoxycyclohexane-1-carboxylate hydrogen chloride→Methyl trans-4-carbamimidoyl-1-methoxycyclohexane-1-carboxylate→1-Methoxybutane-1,3-dione→Methyl 1-methoxy-4-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)cyclohexane-1-carboxylate→Methyl trans-4-[4-[(methanesulfonyl)oxy]-6-methylpyrimidin-2-yl]-1-methoxycyclohexane-1-carboxylate→3-Amino-5-methylpyrazole→Methyl (1s,4s)-1-methoxy-4-[4-methyl-6-[(5-methyl-1H-pyrazol-3-yl)amino]pyrimidin-2-yl]cyclohexane-1-carboxylate→(1s,4s)-1-Methoxy-4-[4-methyl-6-[(5-methyl-1H-pyrazol-3-yl)amino]pyrimidin-2-yl]cyclohexane-1-carboxylic acid→(1S)-1-[6-(4-Fluoro-1H-pyrazol-1-yl)pyridin-3-yl]ethan-1-amine→(1S)-1-[6-(4-Fluoro-1H-pyrazol-1-yl)pyridin-3-yl]ethan-1-amine hydrogen chloride
4-Bromo-2-methoxybenzaldehyde→1-Methoxybutane-1,3-dione→Methyl (2Z)-2-[(4-bromo-2-methoxyphenyl)methylidene]-3-oxobutanoate→4-Amino-5-methylpyridin-2(1H)-one→Methyl 4-(4-bromo-2-methoxyphenyl)-5-hydroxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→(Diethoxymethoxy)ethane→Methyl 4-(4-bromo-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→Methyl (4S)-4-(4-bromo-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→Methyl (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→(4S)-4-(4-Cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylic acid
1-Methoxybutane-1,3-dione→4-Amino-5-methylpyridin-2(1H)-one→(Diethoxymethoxy)ethane→Methyl (4S)-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→3-Fluoro-4-formylbenzonitrile→Methyl 2-[(4-cyano-2-fluorophenyl)methylidene]-3-oxobutanoate→Methyl 4-(4-cyano-2-fluorophenyl)-5-hydroxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→Methyl 4-(4-cyano-2-fluorophenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→Methyl (4S)-4-(4-cyano-2-fluorophenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate→Natrium methoxide
Intermediates available on this site
Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications |
|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | 4-Bromo-2-methoxybenzaldehyde Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 4-formyl-3-methoxybenzonitrile Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 4-AMino-5-Methylpyridin-2-ol Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 2-chloro-5-methylpyridin-4-amine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 2-Cyanoethyl 3-oxobutanoate Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 2-cyanoethyl 4-(4-cyano-2-methoxyphenyl)-2,8-dimethyl-5-oxo-1,4,5,6-tetrahydro-1,6-naphthyridine-3-carboxylate Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 5-broMo-2-chloro-N-cyclopentylpyriMidin-4-aMine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 2-chloro-8-cyclopentyl-5-Methylpyrido[2,3-d]pyriMidin-7(8H)-one Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 6-broMo-2-chloro-8-cyclopentyl-5-Methylpyrido[2,3-d]pyriMidin-7(8H)-one Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | Tert-butyl 4-(6-nitropyridin-3-yl)piperazine-1-carboxylate Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | tert-Butyl 4-(6-((6-(1-butoxyvinyl)-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | PD 0332991 HCl Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.