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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)
非小细胞肺癌盐酸埃克替尼肺腺癌盐酸埃克替尼支气管肿瘤盐酸埃克替尼肺癌盐酸埃克替尼转移性乳腺癌盐酸埃克替尼银屑病盐酸埃克替尼
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 盐酸埃克替尼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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