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CAS 19249-03-7
(ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl) bis(4-methylbenzenesulfonate)
Codes: ICOT-002
Application context (from source-drug indications)
Non-small cell lung cancerIcotinib HydrochlorideLung adenocarcinomaIcotinib HydrochlorideBronchial neoplasmIcotinib HydrochlorideLung cancerIcotinib HydrochlorideMetastatic breast cancerIcotinib HydrochloridePsoriasisIcotinib Hydrochloride
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Icotinib Hydrochloride | 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.
2,2'-(ethane-1,2-diylbis(oxy))bis(ethan-1-ol)→(ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl) bis(4-methylbenzenesulfonate)→ethyl 3,4-dihydroxybenzoate→ethyl 2,3,5,6,8,9-hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecine-12-carboxylate→ethyl 13-nitro-2,3,5,6,8,9-hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecine-12-carboxylate→ethyl 13-amino-2,3,5,6,8,9-hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecine-12-carboxylate hydrochloride→7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4(3H)-one→4-chloro-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazoline→3-ethynylaniline
(ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl) bis(4-methylbenzenesulfonate)→2-amino-4,5-dimethoxybenzoic acid→6,7-dimethoxyquinazolin-4(3H)-one→4-chloro-6,7-dimethoxyquinazoline→3-bromoaniline→N-(3-bromophenyl)-6,7-dimethoxyquinazolin-4-amine→4-((3-bromophenyl)amino)quinazoline-6,7-diol hydrochloride→N-(3-bromophenyl)-7,8,10,11,13,14-hexahydro-[1,4,7,10]tetraoxacyclododecino[2,3-g]quinazolin-4-amine→ethynyltrimethylsilane
(ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl) bis(4-methylbenzenesulfonate)→3-ethynylaniline→3,4-dihydroxybenzonitrile→2,3,5,6,8,9-hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecine-12-carbonitrile→13-nitro-2,3,5,6,8,9-hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecine-12-carbonitrile→13-amino-2,3,5,6,8,9-hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecine-12-carbonitrile→(E)-N'-(13-cyano-2,3,5,6,8,9-hexahydrobenzo[b][1,4,7,10]tetraoxacyclododecin-12-yl)-N,N-dimethylformimidamide
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