Formaldehyde → 1-[2-(2-chlorophenyl)ethyl]-N-[(4-fluorophenyl)methyl]-4-hydroxy-N-methyl-5-oxo-2H-pyrrole-3-carboxamide

Participants

Role	Name	HCID	Charge
Reactant	Formaldehyde	HCID 712	—
Reactant	2-(2-Chlorophenyl)ethylamine	HCID 83117	—
Reactant	N-[(4-fluorophenyl)methyl]-4-hydroxy-N,1-dimethyl-5-oxo-2H-pyrrole-3-carboxamide	HCID 54698182	—
Reactant	3-[(4-Fluoro-benzyl)-methyl-carbamoyl]-2-hydroxy-acrylic acid methyl ester	HCID 69655679	—
Product	1-[2-(2-chlorophenyl)ethyl]-N-[(4-fluorophenyl)methyl]-4-hydroxy-N-methyl-5-oxo-2H-pyrrole-3-carboxamide	HCID 54698184	—

Reaction Steps

3-[(4-Fluoro-benzyl)-methyl-carbamoyl]-2-hydroxy-acrylic acid methyl ester (Compound 1-D) was treated with paraformaldehyde and 2-(2-chlorophenyl)-ethylamine as described in the preparation of Compound 1. HRMS (M+H) calcd for C21H21ClFN2O3: 403.1225. found: 403.1237. 1H NMR (500 MHz, CDCl3) δ: 2.96 (s, 3), 3.05 (t, 2, J=7), 3.75 (t, 2, J=7), 3.99 (s, 2), 4.58 (s, 2), 7.01–7.34 (overlapping m, 8). 13C NMR (125 MHz, CDCl3) δ: 32.37, 34.52, 42.90, 49.36, 51.47, 109.38, 115.66, 115.83, 127.18, 128.37, 129.26, 129.32, 129.67, 130.92, 132.13, 132.15, 134.01, 135.79, 152.71, 161.37, 163.33, 164.91, 166.11.

Provenance & Evidence

DOI	10.6084/m9.figshare.5104873.v1
Patent number	US07109186B2
Source dataset	uspto-grants-2006_09
ORD ID	ord-101a69ad27e847dca257bed663de54ac
Source note	uspto-grants-2006_09