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CAS 5459-58-5

Butyl cyanoacetate

CodesCefoselis Sulfate-014

Application context (from source-drug indications)

细菌感染硫酸头孢噻利

Source drugs (routes using this intermediate)

DrugTierExpiry
硫酸头孢噻利Cefoselis SulfateTier C — Watch / trade-

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.

硫酸头孢噻利优化路线steps: 10total yield: 231. 2g(Cefoselis Sulfate-001)
2-(5-Amino-1H-pyrazol-1-yl)ethan-1-olN,N-Dimethylformamide2-Cyanoacetic acid methyl ester2-Cyanoacetic acid ethyl esterPropyl cyanoacetateButyl cyanoacetateMethyl 2-cyano-3-(dimethylamino)prop-2-enoateEthyl 2-cyano-3-(dimethylamino)prop-2-enoatePropyl 2-cyano-3-(dimethylamino)prop-2-enoateButyl 2-cyano-3-(dimethylamino)prop-2-enoate2-HydrazinoethanolMethyl 5-amino-1-(2-hydroxyethyl)-1H-pyrazole-4-carboxylateEthyl 5-amino-1-(2-hydroxyethyl)-1H-pyrazole-4-carboxylatePropyl 5-amino-1-(2-hydroxyethyl)-1H-pyrazole-4-carboxylateButyl 5-amino-1-(2-hydroxyethyl)-1H-pyrazole-4-carboxylate5-Amino-1-(2-hydroxyethyl)-1H-pyrazole-4-carboxylic acidHex-3-enedinitrileBut-3-enenitrile3-Oxopropanenitrile3,3-Dimethoxypropanenitrile3-[2-(2-Hydroxyethyl)hydrazinylidene]propanenitrile

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