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CAS 78834-80-7
(2Z)-7-Bromo-2-([[(1S)-2,2-dimethylcyclopropyl]carbonyl]amino)hept-2-enoic acid
Codes: Cilastatin Sodium-007
Application context (from source-drug indications)
Infectious diseaseCilastatin Sodium
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Cilastatin Sodium | Tier 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.
Ethyl 1,3-dithiane-2-carboxylate→Pentamethylene dibromide→ethyl 2-(5-bromopentyl)-1,3-dithiane-2-carboxylate→Ethyl 7-bromo-2-oxoheptanoate→7-bromo-2-oxoheptanoic acid→(+)-(1S)-2,2-Dimethylcyclopropanecarboxamide→(2Z)-7-Bromo-2-([[(1S)-2,2-dimethylcyclopropyl]carbonyl]amino)hept-2-enoic acid→Plant-derived natural amino-acid L-cysteine
1-Bromo-5-chloropentane→Ethyl 2-ethoxy-2-oxoacetate→7-Chloro-2-oxoheptanoic acid ethyl ester→Ethyl 7-bromo-2-oxoheptanoate→Butyl 7-chloro-2-oxoheptanoate→2,2-Dimethylcyclopropane-1(S)-carboxamide→7-Chloro-2-[(1S)-2,2-dimethylcyclopropylcarboxamido]-2-heptenoic acid ethyl ester→Ethyl (2Z)-7-bromo-2-([[(1S)-2,2-dimethylcyclopropyl]carbonyl]amino)hept-2-enoate→Butyl (2Z)-7-chloro-2-[[(1S)-2,2-dimethylcyclopropane-1-carbonyl]amino]hept-2-enoate→(2Z)-7-Chloro-2-([[(1S)-2,2-dimethylcyclopropyl]carbonyl]amino)hept-2-enoic acid→(2Z)-7-Bromo-2-([[(1S)-2,2-dimethylcyclopropyl]carbonyl]amino)hept-2-enoic acid→L-Cysteine→(2Z)-7-[[(2R)-2-Amino-2-carboxyethyl]sulfanyl]-2-([[(1S)-2,2-dimethylcyclopropyl]carbonyl]amino)hept-2-enoic acid
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