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CAS 63-68-3
(S)-2-amino-4-(methylthio)butanoic acidL-methionine
Codes: COBI-035, GEFT-012
Application context (from source-drug indications)
HIV infectionCobicistatNon-small cell lung cancerCobicistatAcquired immunodeficiency syndromeCobicistatNon-small cell lung cancerGefitinibLung cancerGefitinibHead and neck cancerGefitinibBreast cancerGefitinib唇肿瘤Gefitinib喉肿瘤Gefitinib
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Cobicistat | Tier C — Watch / trade | - |
| Gefitinib | 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.
1-(2-isopropylthiazol-4-yl)-N-methylmethanamine→(2R,5R)-1,6-diphenylhexane-2,5-diamine→4-nitrophenyl (thiazol-5-ylmethyl) carbonate→(S)-3-aminodihydrofuran-2(3H)-one hydrobromide→(S)-1-((2-isopropylthiazol-4-yl)methyl)-1-methyl-3-(2-oxotetrahydrofuran-3-yl)urea→morpholine→(S)-2-benzylaziridine→dimethylsulfamoyl chloride→(S)-2-benzyl-N,N-dimethylaziridine-1-sulfonamide→COBI-030→(2S,5S,E)-1,6-diphenylhex-3-ene-2,5-diamine→(2R,5R)-1,6-diphenylhexane-2,5-diamine dihydrochloride→thiazol-5-ylmethyl ((2R,5R)-5-amino-1,6-diphenylhexan-2-yl)carbamate hydrochloride→potassium (S)-2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-4-morpholinobutanoate→(S)-2-amino-4-(methylthio)butanoic acid→(S)-ethyl 4-iodo-2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)butanoate→(S)-ethyl 2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-4-morpholinobutanoate oxalate
4-(3-chloropropyl)morpholine→3-chloro-4-fluoroaniline→6,7-dimethoxyquinazolin-4(3H)-one→L-methionine→6-hydroxy-7-methoxyquinazolin-4(3H)-one→7-methoxy-4-oxo-3,4-dihydroquinazolin-6-yl acetate→4-chloro-7-methoxyquinazolin-6-yl acetate hydrochloride→4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl acetate→4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-ol
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