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CAS 1559-02-0
diethyl cyclopropane-1,1-dicarboxylate
Codes: CABO-017, MONT-015
Application context (from source-drug indications)
Neuroendocrine tumourCabozantinib S-malatePancreatic neuroendocrine tumourCabozantinib S-malateRenal cell carcinomaCabozantinib S-malateHepatocellular carcinomaCabozantinib S-malateThyroid cancerCabozantinib S-malateNeuroendocrine carcinomaCabozantinib S-malateAllergic rhinitisMontelukastAsthmaMontelukastHypersensitivity reactionMontelukastSeasonal allergic rhinitisMontelukastPerennial allergic rhinitisMontelukastExercise-induced asthmaMontelukast
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Cabozantinib S-malate | Tier B — Position early | 2029 |
| 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.
4-fluoroaniline→4-aminophenol→4-chloro-6,7-dimethoxyquinoline→diethyl cyclopropane-1,1-dicarboxylate→1-(ethoxycarbonyl)cyclopropane-1-carboxylic acid→ethyl 1-((4-hydroxyphenyl)carbamoyl)cyclopropane-1-carboxylate→ethyl 1-((4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)carbamoyl)cyclopropane-1-carboxylate→1-((4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)carbamoyl)cyclopropane-1-carboxylic acid
7-chloro-2-methylquinoline→isophthalaldehyde→(E)-3-(2-(7-chloroquinolin-2-yl)vinyl)benzaldehyde→(E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)prop-2-en-1-ol→methyl 2-bromobenzoate→methyl (E)-2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-oxopropyl)benzoate→methyl (S,E)-2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate→(S,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propan-1-ol→(1S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-((tetrahydro-2H-pyran-2-yl)oxy)propan-2-yl)phenyl)propan-1-ol→(1S)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-((tetrahydro-2H-pyran-2-yl)oxy)propan-2-yl)phenyl)propyl methanesulfonate→methyl 2-(1-((acetylthio)methyl)cyclopropyl)acetate→methyl 2-(1-((((1R)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-((tetrahydro-2H-pyran-2-yl)oxy)propan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetate→pyridine→(R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid→diethyl cyclopropane-1,1-dicarboxylate→cyclopropane-1,1-diyldimethanol→(1-(hydroxymethyl)cyclopropyl)methyl benzoate→(1-(cyanomethyl)cyclopropyl)methyl benzoate→2-(1-(hydroxymethyl)cyclopropyl)acetic acid
Intermediates available on this site
Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | 4-Hydroxy-6,7-dimethoxyqunioline Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Taizhou GMP-like Site | 4-((6,7-Dimethoxyquinolin -4-yl)oxy)aniline Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | 1-(4-Fluorophenylcarbamoyl)cyclopropanecarboxylic acid Pharmaceutical Intermediates | On request | On request | On request | — |
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.