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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 326836Generated: October 25, 2026

3-Aminopyrazine-2-carbonitrile → 4-Amino-2-[(2,3-dichlorophenoxy)methyl]pteridine

https://huagongshe.com/reaction/326836

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Aminopyrazine-2-carbonitrileHCID 817699—
Reactant2-(2,3-Dichlorophenoxy)acetamidineHCID 10513043—
SolventEthanolHCID 702—
Product4-Amino-2-[(2,3-dichlorophenoxy)methyl]pteridineHCID 10519841—

Reaction Steps

Obtained using the procedure described in section c of Example 2, starting with 3.6 g (0.030 mole) of 3-amino-2-pyrazinecarbonitrile and 6.6 g (0.030 mole) of 2-(2,3-dichlorophenoxy)acetamidine in 100 ml of absolute ethanol. Refluxing time: 14 hours. Yld: 8.1 g (84%), m.p. 216°-218° C. (ethanol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05270465
Source datasetuspto-grants-1993_12
ORD IDord-788975f0871a41db84ba70c4602a18a1
Source noteuspto-grants-1993_12