Formaldehyde → HCID 54698230, compound
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]([CH3:17])=[C:13]([F: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:18][C:13]1[CH:12]=[C:11]([CH:16]=[CH:15][C:14]=1[CH3:17])[CH2:10][N:7]([O:8][CH3:9])[C:6]([C:5]1[CH2:30][N:31]([CH3:32])[C:3](=[O:21])[C:4]=1[OH:20])=[O:19]Participants
5
Procedure
3-[(3-Fluoro-4-methylbenzyl)-methoxy-carbamoyl]-2-hydroxy-acrylic acid methyl ester (Compound 65-A) was treated with paraformaldehyde and methylamine as described in the preparation of Compound 12 to give the title compound as white crystals (54% yield); mp 145° C. 1HNMR 400 MHz (CDCl3) δ (ppm): 2.26 (3H, broad s, CH3), 3.11 (3H, s, NCH3), 3.73 (3H, s, OCH3), 4.16 (2H, s, NCH2), 4.83 (2H, s, NCH2), 6.99 (2H, m, aromatics), 7.16 (1H, m, aromatic). Anal. calcd for C15H17FN2O4: C, 58.44; H, 5.56; N, 9.09. Found: C, 58.16; H, 5.44; N, 8.88.
Sources & evidence
- ORD record
- ord-d8efa61e6c18453c8b45a66e578ea103
- Source dataset
- uspto-grants-2006_09
- Patent number
- US07109186B2
Reaction notes
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