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Merck
CN

530352

Methyl-1H-1,2,4-triazole-3-carboxylate

98%

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About This Item

Empirical Formula (Hill Notation):
C4H5N3O2
CAS Number:
Molecular Weight:
127.10
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
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Product Name

Methyl-1H-1,2,4-triazole-3-carboxylate, 98%

InChI

1S/C4H5N3O2/c1-9-4(8)3-5-2-6-7-3/h2H,1H3,(H,5,6,7)

SMILES string

COC(=O)c1nc[nH]n1

InChI key

QMPFMODFBNEYJH-UHFFFAOYSA-N

assay

98%

mp

196-199 °C (lit.)

functional group

ester

Quality Level

Application

Methyl-1H-1,2,4-triazole-3-carboxylate (1,2,4-Triazole-3-methylcarboxylate) may be used in the preparation of 1H-1,2,4-triazole-3-carbohydrazide.
It may also be used in the synthesis of the following nucleoside analogues:
  • 1-(2,2-dimethyl-6-trityloxymethyl-4,6a-dihydro-3aH-cyclopenta-[1,3]dioxol-4-yl)-1H-1,2,4-triazole-3-carboxylic acid methyl ester
  • methyl 4,6-O-benzylidene-2-(methyl 1H-1,2,4-triazol-1-yl-3-carboxylate)-2-deoxy-<SC>D</SC>-altrohexopyranoside
  • 1,5-anhydro-4,6-O-benzylidene-2-(methyl 1H-1,2,4-triazol-1-yl-3-carboxylate)-2-deoxy-<SC>D</SC>-altro-hexitol

General description

Methyl-1H-1,2,4-triazole-3-carboxylate can be synthesized from 5-amino-1,2,4-triazole-3-carboxylic acid via esterification with methanol. It is utilized as precursor for preparing the nucleoside analogue, Ribavirin. The crystal structure of methyl-1H-1,2,4-triazole-3-carboxylate has been analyzed.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Methyl 1H-1,2,4-triazole-3-carboxylate.
Guo XH and Wang QX.
Acta Crystallographica Section E, Structure Reports Online, 61(10), o3217-o3218 (2005)
Arthur Van Aerschot et al.
Antiviral chemistry & chemotherapy, 14(1), 23-30 (2003-06-07)
Current standard therapy for the treatment of chronic infections with hepatitis C virus consists of combination therapy with (pegylated) interferon-alpha and ribavirin. 1,5-Anhydrohexitol nucleoside analogues are constrained congeners known to mimic the ribonucleoside conformation. Within this series some analogues are
Jong Hyun Cho et al.
Journal of medicinal chemistry, 49(3), 1140-1148 (2006-02-03)
A practical and convenient methodology for the synthesis of chiral cyclopentenol derivative (+)-12a has been developed as the key intermediate that was utilized for the synthesis of biologically active carbocyclic nucleosides. The selective protection of allylic hydroxyl group followed by
Dinuclear, Tetranuclear and Chain (MnII, CoII) Complexes of Multifunctional Hydrazone Ligands?Structural and Magnetic Studies.
Bettle PJ, et al.
European Journal of Inorganic Chemistry, 2011(32), 5036-5042 (2011)

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