Formaldehyde → HCID 54698239, compound
Reaction equation
[Cl:1][C:2]1[CH:22]=[C:21]([F:23])[CH:20]=[CH:19][C:3]=1[CH2:4][N:5]([O:17][CH3:18])[C:6](=[O:16])[CH:7]=[C:8]1[C:12](=[O:13])OC(C)(C)[O:9]1.C=O.[CH3:26][NH2:27].[CH3:28]O>>[Cl:1][C:2]1[CH:22]=[C:21]([F:23])[CH:20]=[CH:19][C:3]=1[CH2:4][N:5]([O:17][CH3:18])[C:6]([C:7]1[CH2:26][N:27]([CH3:28])[C:12](=[O:13])[C:8]=1[OH:9])=[O:16]Participants
5
Procedure
N-(2-Chloro-4-fluorobenzyl)-2-(2,2-dimethyl-5-oxo-[1,3]-dioxolan-4-ylidene)-N-methoxy-acetamide, prepared using the methods described in the previous examples, was treated in methanol with paraformaldehyde and methylamine as described in the preparation of Compound 44, Method 44B, to give the title compound as white crystals (55% yield); mp 152–155° C. 1HNMR 400 MHz (CDCl3) δ (ppm): 3.11 (3H, s, NCH3), 3.75 (3H, s, OCH3), 4.17 (2H, s, NCH2), 5.01 (2H, s, NCH2), 6.99 (1H, m, aromatic), 7.15 (1H, dd, J=2.5 Hz, J=8.0 Hz, aromatic), 7.36 (1H, dd, J=5.7 Hz, J=8.8 Hz, aromatic). Anal. calcd for C14H14ClFN2O4: C, 51.15; H, 4.29; N, 8.52. Found: C, 50.62; H, 4.18; N, 8.40.
Sources & evidence
- ORD record
- ord-74e535a637d94578b7fbc0f0553e1055
- Source dataset
- uspto-grants-2006_09
- Patent number
- US07109186B2
Reaction notes
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