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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 326829Generated: October 30, 2026

Acetic Anhydride → HCID 178467657, compound

https://huagongshe.com/reaction/326829

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant3-Amino-5-oxo-4,5-dihydropyrazine-2-carboxamideHCID 178513807—
SolventN,N-dimethylformamide methanolHCID 21901440—
ProductHCID 178467657HCID 178467657—

Reaction Steps

Obtained using the procedure described in Example 1, starting with 2.1 g (0.0136 mole) of 3-amino-5-hydroxy-2-pyrazinecarboxamide [prepared according to E. C. Taylor et al., J. Org. Chem. 1975, 40, 2341], 14.0 g (0.068 mole) of triethyl orthoethoxyacetate and 14.0 ml of acetic anhydride. Yld: 1.2 g (40%), m.p. 255°-256° C. (methanol/N,N-dimethylformamide).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05270465
Source datasetuspto-grants-1993_12
ORD IDord-e03ba369b974429d9cdf4d031c4e1528
Source noteuspto-grants-1993_12