← Back to patent-cliff list
CAS 99711-41-8
Methyl (9,10,11-trimethoxy-3-oxo-2,3,5,6,7,11b-hexahydrobenzo[3,4]cyclohepta[1,2-b]pyran-4a(1H)-yl)acetate
Codes: (VII)70274-3-a
Application context (from source-drug indications)
Coronary artery lesionColchicineMyocardial infarctionColchicineStrokeColchicine痛风性关节炎Colchicine脑出血ColchicineAtrial fibrillationColchicine
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Colchicine | 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.
10-Hydroxy-1,2,3-trimethoxy-6,7-dihydrobenzo[a]heptalen-9(5H)-one→2,3,4-Trimethoxy-5,7,8,9-tetrahydro-6H-benzocyclohepten-6-one→2-Propenonitrile→3-(2,3,4-Trimethoxy-6-oxo-6,7,8,9-tetrahydro-5H-benzocyclohepten-5-yl)propanenitrile→2-Bromoacetic acid methyl ester→Methyl [5-(2-cyanoethyl)-6-hydroxy-2,3,4-trimethoxy-6,7,8,9-tetrahydro-5H-benzocyclohepten-6-yl]acetate→3-[6-(Carboxymethyl)-6-hydroxy-2,3,4-trimethoxy-6,7,8,9-tetrahydro-5H-benzocyclohepten-5-yl]propanoic acid→Methyl (9,10,11-trimethoxy-3-oxo-2,3,5,6,7,11b-hexahydrobenzo[3,4]cyclohepta[1,2-b]pyran-4a(1H)-yl)acetate→1,2,3-Trimethoxy-5,6,7,8,9,11,12,12a-octahydro-10H-7a,10-epoxybenzo[a]heptalene-9,10-diol→7a-Hydroxy-1,2,3-trimethoxy-5,6,7,7a,8,11,12,12a-octahydrobenzo[a]heptalene-9,10-dione→9-Hydroxy-1,2,3-trimethoxy-6,7,11,12-tetrahydrobenzo[a]heptalen-10(5H)-one
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
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.