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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 388085Generated: October 30, 2026

Formic Acid → HCID 66699794, compound

https://huagongshe.com/reaction/388085

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormic AcidHCID 284—
ReactantHCID 66699794HCID 66699794—
ReactantHCID 72191063HCID 72191063—
CatalystPalladiumHCID 23938—
ProductHCID 66699735HCID 66699735—
ProductHCID 66699794HCID 6669979490%

Reaction Steps

(R)-N2-(1-Phenylethyl)pyrazine-2,3-diamine. The title compound was prepared by dissolving (R)-6-bromo-N2-(1-phenylethyl)pyrazine-2,3-diamine (1.00 g, 3.37 mmol) in neat formic acid (15 mL), and adding 10% Pd/C (0.34 mmol). This solution was purged with hydrogen gas at 1 atm., and stirred for 4 hours at room temperature. Upon completion, the reaction was filtered through celite and concentrated. The crude material was purified using silica gel chromatography (0-10% methanol in dichloromethane). Clean fractions were combined and condensed to afford 0.65 g (3.03 mmol, 90%) of (R)-N2-(1-phenylethyl)pyrazine-2,3-diamine. MS (ESI) m/z 215.4 [M+1]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08372976B2
Source datasetuspto-grants-2013_02
ORD IDord-63dfd0dc8f1f457095418315f949c164
Source noteuspto-grants-2013_02