Formaldehyde → HCID 54698128, compound

HRID 2214619Notes

Reaction equation

HRID 2214619 reaction equation
CO[C:3](=[O:21])[C:4]([OH:20])=[CH:5][C:6](=[O:19])[N:7]([CH2:10][C:11]1[CH:16]=[CH:15][C:14]([F:17])=[C:13]([CH3:18])[CH:12]=1)[O:8][CH3:9].C=O.CN.ClC1C=C(C=CC=1Cl)[CH2:30][N:31](C)[C:32](C1CN(C)C(=O)C=1O)=O>>[F:17][C:14]1[CH:15]=[CH:16][C:11]([CH2:10][N:7]([O:8][CH3:9])[C:6]([C:5]2[CH2:30][N:31]([CH3:32])[C:3](=[O:21])[C:4]=2[OH:20])=[O:19])=[CH:12][C:13]=1[CH3:18]

Participants

5

Reactant 4

HCID 712FormaldehydeHCID 6329MethylamineHCID 54697551N-[(3,4-dichlorophenyl)methyl]-4-hydroxy-N,1-dimethyl-5-oxo-2H-pyrrole-3-carboxamideHCID 72395076HCID 72395076, compound2×

Product 1

HCID 54698128HCID 54698128, compoundYield 76%

Procedure

3-[(4-Fluoro-3-methylbenzyl)-methoxy-carbamoyl]-2-hydroxy-acrylic acid methyl ester (Compound 64-A) was treated with paraformaldehyde and methylamine as described in the preparation of Compound 12 to give the title compound as white crystals (76% yield); mp 160–164° C. 1HNMR 400 MHz (CDCl3) δ (ppm): 2.27 (3H, s, CH3), 3.10 (3H, s, NCH3), 3.73 (3H, s, OCH3), 4.15 (2H, s, NCH2), 4.81 (2H, s, NCH2), 6.97 (1H, m, aromatic), 7.12 (2H, m, aromatics). Anal. calcd for C15H17FN2O4: C, 58.44; H, 5.56; N, 9.09. Found: C, 58.41; H, 5.61; N, 8.90.

Sources & evidence

ORD record
ord-2744df02350646ffafd82988db34a1d7
Source dataset
uspto-grants-2006_09
Patent number
US07109186B2

Reaction notes

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