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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2214556Generated: October 31, 2026

Formaldehyde → HCID 54698215, compound

https://huagongshe.com/reaction/2214556

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantMethylamineHCID 6329—
ReactantN-[(3,4-dichlorophenyl)methyl]-4-hydroxy-N,1-dimethyl-5-oxo-2H-pyrrole-3-carboxamideHCID 54697551—
ReactantHCID 72395067HCID 72395067—
ProductHCID 54698215HCID 5469821560%

Reaction Steps

3-[(3-Fluorobenzyl)-methoxy-carbamoyl]-2-hydroxy-acrylic acid methyl ester (Compound 49-C) was reacted with paraformaldehyde and methylamine as described in the preparation of Compound 12 to give the title compound as a white solid (60% yield); mp 119° C. dec. 1HNMR 400 MHz (CDCl3) δ (ppm): 3.11 (3H, s, NCH3), 3.74 (3H, s, OCH3), 4.17 (2H, s, NCH2), 4.87 (2H, s, NCH2), 6.99–7.35 (4H, m, aromatics). Anal. calcd for C14H15FN2O4: C, 57.14; H, 5.14; N, 9.52. Found: C, 57.04; H, 5.02; N, 9.42.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07109186B2
Source datasetuspto-grants-2006_09
ORD IDord-8c1a901c539d44f783253df2e63fc92c
Source noteuspto-grants-2006_09