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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1372849Generated: October 29, 2026

Fumaric Acid → HCID 21072619, compound

https://huagongshe.com/reaction/1372849

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFumaric AcidHCID 444972—
ReactantHCID 11336128HCID 11336128—
SolventEthanol ethylacetateHCID 21584252—
ProductHCID 21072619HCID 21072619—

Reaction Steps

The product of Example 5A (30 mg, 0.1 mmol) was treated with fumaric acid (12 mg, 0.1 mmol) in EtOAc/EtOH (v. 1:1, 2 mL) at ambient temperature for 15 h. The title compound was obtained as solid (38.4 mg, yield, 79%). 1H NMR (300 MHz, CD3OD) δ 1.80–2.19 (m, 3H), 2.27–2.40 (m, 1H), 2.48–2.56 (m, 1H), 3.17–3.63 (m, 5H), 3.72–3.83 (m, 1H), 4.80–4.88 (m, 1H), 6.43 (dd, J=3.1, 0.7 Hz, 1H), 6.68 (s, 2H), 7.04 (dt, J=8.8, 2.5 Hz, 2H), 7.21–7.27 (m, 2H), 7.53–7.65 (m, 4H) ppm. MS(DCl/NH3): m/z 319 (M+H)+. Anal. Calcd. for C19H20N4O.1.3C4H4O4: C, 67.05; H, 5.84; N, 5.97. Found: C, 67.15; H, 5.99; N, 5.95.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07160876B2
Source datasetuspto-grants-2007_01
ORD IDord-2d990cee0f284c1bb8d06b889047c20d
Source noteuspto-grants-2007_01