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CAS 96453-52-0
(4R,4aS,7aR,12bS)-9-((tert-butyldimethylsilyl)oxy)-3-(cyclopropylmethyl)-4a-hydroxy-2,3,4,4a,5,6-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7(7aH)-one
Codes: METHB-010
Application context (from source-drug indications)
Opioid dependenceMethylnaltrexone BromideConstipationMethylnaltrexone BromideOpioid-induced constipationMethylnaltrexone BromideChronic painMethylnaltrexone BromidePancreatic cancerMethylnaltrexone BromideIntestinal obstructionMethylnaltrexone Bromide
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Methylnaltrexone Bromide | 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.
(4R,4aS,7aR,12bS)-3-(cyclopropylmethyl)-4a,9-dihydroxy-2,3,4,4a,5,6-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7(7aH)-one→(4R,4aS,7aR,12bS)-9-((tert-butyldimethylsilyl)oxy)-3-(cyclopropylmethyl)-4a-hydroxy-2,3,4,4a,5,6-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7(7aH)-one→(3S,4R,4aS,7aR,12bS)-9-((tert-butyldimethylsilyl)oxy)-3-(cyclopropylmethyl)-4a-hydroxy-3-methyl-7-oxo-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-3-ium carbonate
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