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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2164759Generated: October 26, 2026

Tetrahydrofuran → (3-Amino-5,6-dichloropyrazin-2-yl)methanol

https://huagongshe.com/reaction/2164759

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantMethyl 3-amino-5,6-dichloropyrazine-2-carboxylateHCID 73828—
ReactantLithium ChlorideHCID 433294—
ReactantPotassium borohydrideHCID 4192641—
SolventWaterHCID 962—
Product(3-Amino-5,6-dichloropyrazin-2-yl)methanolHCID 13367870—

Reaction Steps

To 70 ml of dry tetrahydrofuran there was added 2-amino-5,6-dichloro-3-(methoxycarbonyl)pyrazine (8.8 g; 0.04M), potassium borohydride (2.7 g; 0.05M), and lithium chloride (2.1 g; 0.05M), and the mixture was stirred at room temperature overnight (17 hours). The reaction mixture was then diluted with about 200 ml of water and chilled, after which the product crystallized, was filtered and dried (5.3 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04507299
Source datasetuspto-grants-1985_03
ORD IDord-5be693d1b5b74a57a26d21c140ddad79
Source noteuspto-grants-1985_03