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CAS 867-13-0
ethyl 2-(diethoxyphosphoryl)acetate磷酸二乙酯基乙酸乙酯三乙氧基磷酰乙酸乙酯Triethyl phosphonoacetateTEPA
Codes：PALB-020、CARI-011
Physicochemical properties & identification
- Formula
- C8H17O4P
- Mol. weight
- 208.20
- Appearance
- 无色至淡黄色透明液体
- Solubility
- 不溶于水，与大多数有机溶剂混溶
- Storage
- 氮气保护密封，阴凉避潮（酯基易水解）
Applications
- · Horner–Wadsworth–Emmons（HWE）烯化试剂：E-式 α,β-不饱和酯的经典构建
- · 卡利拉嗪路线引入侧链双键等药物合成应用
Application context (from source-drug indications)
乳腺癌哌柏西利重度抑郁症卡利拉嗪盐酸盐精神分裂症卡利拉嗪盐酸盐躁狂症卡利拉嗪盐酸盐
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.
cyclopentanamine→tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate→tert-butyl 4-(6-((6-bromo-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate→ethyl 4-chloro-2-(methylthio)pyrimidine-5-carboxylate→ethyl 4-(cyclopentylamino)-2-(methylthio)pyrimidine-5-carboxylate→(4-(cyclopentylamino)-2-(methylthio)pyrimidin-5-yl)methanol→4-(cyclopentylamino)-2-(methylthio)pyrimidine-5-carbaldehyde→1-(4-(cyclopentylamino)-2-(methylthio)pyrimidin-5-yl)ethanol→1-(4-(cyclopentylamino)-2-(methylthio)pyrimidin-5-yl)ethan-1-one→ethyl 2-(diethoxyphosphoryl)acetate→8-cyclopentyl-5-methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one→6-bromo-8-cyclopentyl-5-methyl-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one→2-((4-nitrophenyl)sulfonyl)-3-phenyl-1,2-oxaziridine→6-bromo-8-cyclopentyl-5-methyl-2-(methylsulfinyl)pyrido[2,3-d]pyrimidin-7(8H)-one→tributyl(1-ethoxyvinyl)stannane→tert-butyl 4-(6-((8-cyclopentyl-6-(1-ethoxyvinyl)-5-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidin-2-yl)amino)pyridin-3-yl)piperazine-1-carboxylate
dimethylcarbamic chloride→4-aminocyclohexanone→1,1-dimethyl-3-(4-oxocyclohexyl)urea→ethyl 2-(diethoxyphosphoryl)acetate→ethyl 2-(4-(3,3-dimethylureido)cyclohexylidene)acetate→ethyl 2-((1r,4r)-4-(3,3-dimethylureido)cyclohexyl)acetate→3-((1r,4r)-4-(2-hydroxyethyl)cyclohexyl)-1,1-dimethylurea→1,1-dimethyl-3-((1r,4r)-4-(2-oxoethyl)cyclohexyl)urea→1-(2,3-dichlorophenyl)piperazine
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 |
|---|---|---|---|---|---|
| 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.