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CAS 71-30-7
4-aminopyrimidin-2(1H)-one4-Aminopyrimidin-2(1H)-one
Codes: AVAN-018, LAMI-005, Molnupiravir-058
Application context (from source-drug indications)
Erectile dysfunctionAvanafilHIV infectionDolutegravir/Lamivudine/Tenofovir AlafenamideHIV infectionLamivudine/Tenofovir Disoproxil FumarateChronic hepatitis BLamivudine/Tenofovir Disoproxil FumarateHIV infectionEfavirenz/Lamivudine/Tenofovir Disoproxil FumarateHepatitis BLamivudineChronic hepatitis BLamivudineHIV infectionLamivudineRett syndromeLamivudineAlzheimer's diseaseLamivudineRetinal detachmentLamivudineCOVID-19Molnupiravir呼吸道合胞体病毒感染MolnupiravirInfluenza virus infectionMolnupiravirRenal impairmentMolnupiravirHepatic function declineMolnupiravir
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Avanafil | Tier C — Watch / trade | 2028 |
| Dolutegravir/Lamivudine/Tenofovir Alafenamide | Tier C — Watch / trade | - |
| Lamivudine/Tenofovir Disoproxil Fumarate | Tier C — Watch / trade | - |
| Efavirenz/Lamivudine/Tenofovir Disoproxil Fumarate | Tier C — Watch / trade | - |
| Lamivudine | Tier C — Watch / trade | - |
| Molnupiravir | 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.
(S)-pyrrolidin-2-ylmethanol→4-(bromomethyl)-2-chloro-1-methoxybenzene→4-aminopyrimidin-2(1H)-one→4-((3-chloro-4-methoxybenzyl)amino)pyrimidin-2(1H)-one→(S)-(1-(4-((3-chloro-4-methoxybenzyl)amino)pyrimidin-2-yl)pyrrolidin-2-yl)methanol→N-(pyrimidin-2-ylmethyl)formamide
(S)-pyrrolidin-2-ylmethanol→4-(bromomethyl)-2-chloro-1-methoxybenzene→4-aminopyrimidin-2(1H)-one→4-((3-chloro-4-methoxybenzyl)amino)pyrimidin-2(1H)-one→N-(pyrimidin-2-ylmethyl)formamide→4-((3-chloro-4-methoxybenzyl)amino)-2-oxo-N-(pyrimidin-2-ylmethyl)-1,2-dihydropyrimidine-5-carboxamide
2,3-dihydroxypropyl benzoate→2-oxoethyl benzoate→2,2-diethoxyethanethiol→(5-ethoxy-1,3-oxathiolan-2-yl)methyl benzoate→4-aminopyrimidin-2(1H)-one→((2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate→benzothioic O-acid→2-bromo-1,1-diethoxyethane→S-(2,2-diethoxyethyl) benzothioate
4-aminopyrimidin-2(1H)-one→(1R,2S,5R)-2-isopropyl-5-methylcyclohexan-1-ol→2-oxoacetic acid hydrate→(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 2-oxoacetate→1,4-dithiane-2,5-diol→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-hydroxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-acetoxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
2,3-dihydroxypropyl benzoate→2-oxoethyl benzoate→2,2-diethoxyethanethiol→(5-ethoxy-1,3-oxathiolan-2-yl)methyl benzoate→4-aminopyrimidin-2(1H)-one→((2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate→benzothioic O-acid→2-bromo-1,1-diethoxyethane→S-(2,2-diethoxyethyl) benzothioate
4-aminopyrimidin-2(1H)-one→(1R,2S,5R)-2-isopropyl-5-methylcyclohexan-1-ol→2-oxoacetic acid hydrate→(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 2-oxoacetate→1,4-dithiane-2,5-diol→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-hydroxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-acetoxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
2,3-dihydroxypropyl benzoate→2-oxoethyl benzoate→2,2-diethoxyethanethiol→(5-ethoxy-1,3-oxathiolan-2-yl)methyl benzoate→4-aminopyrimidin-2(1H)-one→((2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate→benzothioic O-acid→2-bromo-1,1-diethoxyethane→S-(2,2-diethoxyethyl) benzothioate
4-aminopyrimidin-2(1H)-one→(1R,2S,5R)-2-isopropyl-5-methylcyclohexan-1-ol→2-oxoacetic acid hydrate→(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 2-oxoacetate→1,4-dithiane-2,5-diol→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-hydroxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-acetoxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
2,3-dihydroxypropyl benzoate→2-oxoethyl benzoate→2,2-diethoxyethanethiol→(5-ethoxy-1,3-oxathiolan-2-yl)methyl benzoate→4-aminopyrimidin-2(1H)-one→((2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate→benzothioic O-acid→2-bromo-1,1-diethoxyethane→S-(2,2-diethoxyethyl) benzothioate
4-aminopyrimidin-2(1H)-one→(1R,2S,5R)-2-isopropyl-5-methylcyclohexan-1-ol→2-oxoacetic acid hydrate→(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 2-oxoacetate→1,4-dithiane-2,5-diol→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-hydroxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-acetoxy-1,3-oxathiolane-2-carboxylate→(2R,5S)-(1R,2S,5R)-2-isopropyl-5-methylcyclohexyl 5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
2,3-O-Isopropylidene-D-ribofuranose→2,3-O-(1-Methylethylidene)-1,5-bis-O-(2-methylpropanoyl)-D-ribofuranose→4-Aminopyrimidin-2(1H)-one→2',3'-O-(1-Methylethylidene)-5'-O-(2-methylpropanoyl)cytidine→Molnupiravir-052→Isobutyryl chloride
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 Taizhou GMP-like Site | ((3aR,4R,6R,6aR)-6-(4-(hydroxyamino)-2-oxopyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate Pharmaceutical Intermediates | On request | On request | On request | — |
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