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CAS 110-86-1
AzabenzenepyridinePyridine
Codes: (I)461018-26-a, Ceftazidime-014, DALF-001, Folic Acid-012, Dalpiciclib Isethionate-025, MONT-013
Application context (from source-drug indications)
Waldenström macroglobulinaemiaIbrutinibChronic lymphocytic leukaemiaIbrutinibMantle cell lymphomaIbrutinibGraft-versus-host diseaseIbrutinibCystitisAvibactam Sodium/CeftazidimeCholecystitisAvibactam Sodium/CeftazidimePeritonitisAvibactam Sodium/CeftazidimeIntra-abdominal infectionAvibactam Sodium/CeftazidimeLiver abscessAvibactam Sodium/CeftazidimeSepsisAvibactam Sodium/CeftazidimeBacterial infectionCeftazidime/Tazobactam SodiumRespiratory tract infectionCeftazidime/Tazobactam SodiumUrinary tract infectionCeftazidime/Tazobactam SodiumMultiple sclerosisDalfampridineSpinocerebellar ataxiaDalfampridineShort-term memory impairmentDalfampridineCrush injuryDalfampridinePeripheral nerve injuryDalfampridineSpinal cord injuryDalfampridineEssential hypertensionEnalapril Maleate/Folic AcidBacterial infectionCeftazidimeGram-positive bacterial infectionCeftazidimeGram-negative bacterial infectionCeftazidimeGynaecological disorderCeftazidimeIntra-abdominal infectionCeftazidimeOsteoarthritisCeftazidimeMegaloblastic anaemiaFolic AcidFolate deficiencyFolic AcidNeural tube defectFolic AcidAnaemiaFolic AcidHot flushesFolic AcidHyperhomocysteinaemiaFolic AcidBreast cancerDalpiciclib IsethionateMetastatic breast cancerDalpiciclib IsethionateProstate cancerDalpiciclib Isethionate三阴性乳腺癌Dalpiciclib IsethionateMeningiomaDalpiciclib IsethionateHepatic function declineDalpiciclib IsethionateAllergic rhinitisMontelukastAsthmaMontelukastHypersensitivity reactionMontelukastSeasonal allergic rhinitisMontelukastPerennial allergic rhinitisMontelukastExercise-induced asthmaMontelukast
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Ibrutinib | Tier A — Act now | 2027 |
| Avibactam Sodium/Ceftazidime | Tier C — Watch / trade | - |
| Ceftazidime/Tazobactam Sodium | Tier C — Watch / trade | - |
| Dalfampridine | Tier C — Watch / trade | - |
| Enalapril Maleate/Folic Acid | Tier C — Watch / trade | - |
| Ceftazidime | Tier C — Watch / trade | - |
| Folic Acid | Tier C — Watch / trade | - |
| Dalpiciclib Isethionate | Tier C — Watch / trade | - |
| Montelukast | Tier B — Position early | - |
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.
Azabenzene→3-Pyridylsulfonic acid→3-Hydroxypyridine→3-Hydroxypiperidine→(2S,3S)-4-[(4-Chlorophenyl)amino]-2,3-dihydroxy-4-oxobutanoic acid (3S)-piperidin-3-ol→1-(Phenylmethyl)-3-piperidinol→(2S,3S)-4-((4-Chlorophenyl)amino)-2,3-dihydroxy-4-oxobutanoic acid→(2S,3S)-(-)-Tartaric acid→1-Amino-4-chlorobenzene→(3S)-1-(tert-Butoxycarbonyl)-3-hydroxypiperidine
ethyl 3-oxobutanoate→Ethyl nitrite→Non-denatured ethanol→ethyl (E)-2-(hydroxyimino)-3-oxobutanoate→thiourea→ethyl (Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetate→Ethyl (2Z)-(hydroxyimino)[2-[(triphenylmethyl)amino]-1,3-thiazol-4-yl]acetate→tert-Butyl 2-bromo-2-methylpropionate→tert-Butyl 2-[[(Z)-(2-ethoxy-2-oxo-1-[2-[(triphenylmethyl)amino]-1,3-thiazol-4-yl]ethylidene)amino]oxy]-2-methylpropanoate→(2Z)-[[(1-tert-Butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino][2-[(triphenylmethyl)amino]-1,3-thiazol-4-yl]acetic acid→(6R,7R)-3-(Acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid→(6R,7R)-3-[(Acetyloxy)methyl]-7-[[(2Z)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]-2-[2-[(triphenylmethyl)amino]-1,3-thiazol-4-yl]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid→(6R,7R)-3-[(Acetyloxy)methyl]-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[[(2-carboxypropan-2-yl)oxy]imino]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid→pyridine
(6R,7R)-3-(Acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid→Trimethylsilyl 7-(trimethylsilylamino)cephalosporanate→Trimethylsilyl (6R,7R)-3-(iodomethyl)-8-oxo-7-[(trimethylsilyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate→Pyridine→1-[[(6R,7R)-8-Oxo-7-[(trimethylsilyl)amino]-2-[[(trimethylsilyl)oxy]carbonyl]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridin-1-ium iodide→(6R,7R)-7-Amino-8-oxo-3-(pyridinium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate dihydrochloride→2-[[(Z)-[1-(2-Amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanoic acid→tert-Butyl 2-[[(Z)-[1-(2-amino-1,3-thiazol-4-yl)-2-[(1,3-benzothiazol-2-yl)sulfanyl]-2-oxoethylidene]amino]oxy]-2-methylpropanoate→(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-8-oxo-3-[(pyridin-1-ium-1-yl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylat e
4-(Dimethylamino)phenol→tert-Butyl (5Z)-5-(2-amino-1,3-thiazol-4-yl)-8,8-dimethyl-4-oxo-3,7-dioxa-2-thia-6-azanon-5-en-9-oate 2,2-dioxide→4-Methoxybenzyl (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate→1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetyl]amino]-2-[[(4-methoxybenzyl)oxy]carbonyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium chloride→4-Hydroxyaniline→(2Z)-(2-Amino-1,3-thiazol-4-yl)[[(1-tert-butoxy-2-methyl-1-oxopropan-2-yl)oxy]imino]acetic acid→Pyridine→4-Methoxybenzyl (6R,7R)-7-amino-3-(chloromethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride
Pyridine hydrobromide→Pyridine
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