← Back to patent-cliff list
CAS 56178-02-0
3,6',7',8'-Tetramethoxy-3',4'-dihydro-2'H,4H-spiro[cyclohexa-2,5-diene-1,1'-naphthalen]-4-one
Codes: (II)70274-6-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.
2-Methoxy-4-[3-(3,4,5-trimethoxyphenyl)propyl]phenol→3,6',7',8'-Tetramethoxy-3',4'-dihydro-2'H,4H-spiro[cyclohexa-2,5-diene-1,1'-naphthalen]-4-one→3,6',7',8'-Tetramethoxy-3',4'-dihydro-2'H-spiro[cyclohexa-2,5-diene-1,1'-naphthalen]-4-ol→4,6',7',8'-Tetramethoxy-3',4'-dihydro-2'H,5H-spiro[bicyclo[4.1.0]hept-3-ene-2,1'-naphthalen]-5-one→1,2,3,9-Tetramethoxy-6,7-dihydrobenzo[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.