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CAS 1004-75-7

2,5,6-Triaminopyrimidin-4(5H)-one

Codes: Folic Acid-014

Application context (from source-drug indications)

Essential hypertensionEnalapril Maleate/Folic AcidMegaloblastic anaemiaFolic AcidFolate deficiencyFolic AcidNeural tube defectFolic AcidAnaemiaFolic AcidHot flushesFolic AcidHyperhomocysteinaemiaFolic Acid

Source drugs (routes using this intermediate)

DrugTierExpiry
Enalapril Maleate/Folic AcidTier C — Watch / trade-
Folic AcidTier 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.

Enalapril Maleate/Folic AcidOptimised routesteps: 2total yield: /
2,3-Dihydroxy-2-propenal→N-(4-Aminobenzoyl)-L-glutamic acid diethyl diester→N-[4-[2,3-Dihydroxy-2-propenylideneamino]benzoyl]-L-glutamic acid diethyl diester→2,5,6-Triaminopyrimidin-4(5H)-one
Enalapril Maleate/Folic AcidOptimised routesteps: 4total yield: /
Enalapril Maleate/Folic AcidOptimised routesteps: 1total yield: /
Enalapril Maleate/Folic AcidOptimised routesteps: 2total yield: /
[1,3-13C]Propan-2-one→1,1,3-Trichloro[1,3-13C]propan-2-one→1,3-Dichloro[1,3-13C]propan-2-one→2,5,6-Triaminopyrimidin-4(5H)-one→N-(4-Aminobenzoyl)-L-glutamic acid→N-[[4-([[2-Amino-4-oxo[7-13C]-4,4a-dihydropteridin-6-yl][13C]methyl]amino)phenyl]carbonyl]-L-glutamic acid
Enalapril Maleate/Folic AcidOptimised routesteps: 4total yield: 38.92g(Folic Acid (Free))
4-Nitrobenzoyl chloride→(S)-(+)-Glutamic acid→(2S)-[(4-Nitrobenzoyl)amino]pentanedioic acid→Sodium 1-[[(1S)-1-carboxy-3-carboxylatopropyl]carbamoyl]-4-nitrobenzene→N-(4-Aminobenzoyl)-L-glutamic acid→2,5,6-Triaminopyrimidin-4(5H)-one→2,5,6-Triaminopyrimidin-4-one sulfate→1,1,3-Trichloroacetone
Folic AcidOptimised routesteps: 2total yield: /
2,3-Dihydroxy-2-propenal→N-(4-Aminobenzoyl)-L-glutamic acid diethyl diester→N-[4-[2,3-Dihydroxy-2-propenylideneamino]benzoyl]-L-glutamic acid diethyl diester→2,5,6-Triaminopyrimidin-4(5H)-one
Folic AcidOptimised routesteps: 4total yield: /
Folic AcidOptimised routesteps: 1total yield: /
Folic AcidOptimised routesteps: 2total yield: /
[1,3-13C]Propan-2-one→1,1,3-Trichloro[1,3-13C]propan-2-one→1,3-Dichloro[1,3-13C]propan-2-one→2,5,6-Triaminopyrimidin-4(5H)-one→N-(4-Aminobenzoyl)-L-glutamic acid→N-[[4-([[2-Amino-4-oxo[7-13C]-4,4a-dihydropteridin-6-yl][13C]methyl]amino)phenyl]carbonyl]-L-glutamic acid
Folic AcidOptimised routesteps: 4total yield: 38.92g(Folic Acid (Free))
4-Nitrobenzoyl chloride→(S)-(+)-Glutamic acid→(2S)-[(4-Nitrobenzoyl)amino]pentanedioic acid→Sodium 1-[[(1S)-1-carboxy-3-carboxylatopropyl]carbamoyl]-4-nitrobenzene→N-(4-Aminobenzoyl)-L-glutamic acid→2,5,6-Triaminopyrimidin-4(5H)-one→2,5,6-Triaminopyrimidin-4-one sulfate→1,1,3-Trichloroacetone

Intermediates available on this site

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