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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)

DrugTierExpiry
AvanafilTier C — Watch / trade2028
Dolutegravir/Lamivudine/Tenofovir AlafenamideTier C — Watch / trade-
Lamivudine/Tenofovir Disoproxil FumarateTier C — Watch / trade-
Efavirenz/Lamivudine/Tenofovir Disoproxil FumarateTier C — Watch / trade-
LamivudineTier C — Watch / trade-
MolnupiravirTier 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.

AvanafilOptimised routesteps: 3total yield: 1.96 g
AvanafilOptimised routesteps: 3total yield: 1.96 g
(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
MolnupiravirOptimised routesteps: 5total yield: /
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.

SupplierProductPrice bandMOQLead timeQualificationsAction
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 requestOn requestOn request
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