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CAS 79200-56-9
(1R,4S)-2-azabicyclo[2.2.1]hept-5-en-3-one
Codes: PERA-001
Application context (from source-drug indications)
Influenza virus infectionPeramivir HydrateInfluenza A virus infectionPeramivir HydrateInfluenza B virus infectionPeramivir HydrateNasal congestionPeramivir HydrateFeverPeramivir HydrateCoughPeramivir Hydrate
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Peramivir Hydrate | 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.
(1R,4S)-2-azabicyclo[2.2.1]hept-5-en-3-one→methyl (1S,4R)-4-aminocyclopent-2-ene-1-carboxylate→methyl (1S,4R)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate→3-(nitromethyl)pentane→methyl (3aR,4R,6S,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate→methyl (1S,2S,3S,4R)-3-((S)-1-amino-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentane-1-carboxylate→methyl (1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentane-1-carboxylate→methyl (1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-amino-2-hydroxycyclopentane-1-carboxylate→1H-pyrazole-1-carboximidamide hydrochloride
(1R,4S)-2-azabicyclo[2.2.1]hept-5-en-3-one→methyl (1S,4R)-4-aminocyclopent-2-ene-1-carboxylate→methyl (1S,4R)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate→methyl (3aR,4R,6S,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate→methyl (1S,2S,3S,4R)-3-((S)-1-amino-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentane-1-carboxylate→methyl (1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentane-1-carboxylate→(E)-2-ethylbutanal oxime→methyl (1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-amino-2-hydroxycyclopentane-1-carboxylate hydrochloride→carbamimidic chloride hydrochloride
(1R,4S)-2-azabicyclo[2.2.1]hept-5-en-3-one→methyl (1S,4R)-4-((tert-butoxycarbonyl)amino)cyclopent-2-ene-1-carboxylate→3-(nitromethyl)pentane→methyl (3aR,4R,6S,6aS)-4-((tert-butoxycarbonyl)amino)-3-(pentan-3-yl)-3a,5,6,6a-tetrahydro-4H-cyclopenta[d]isoxazole-6-carboxylate→methyl (1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-((tert-butoxycarbonyl)amino)-2-hydroxycyclopentane-1-carboxylate→methyl (1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-amino-2-hydroxycyclopentane-1-carboxylate→ tert-butyl N-[[(2-methylpropan-2-yl)oxycarbonylamino]-methylsulfanylmethylidene]carbamate→methyl (1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-((Z)-2,3-bis(tert-butoxycarbonyl)guanidino)-2-hydroxycyclopentane-1-carboxylate→(1S,2S,3R,4R)-3-((S)-1-acetamido-2-ethylbutyl)-4-((Z)-2,3-bis(tert-butoxycarbonyl)guanidino)-2-hydroxycyclopentane-1-carboxylic acid
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