HCID 22485666, compound → N-(2-Chloro-4-fluorobenzyl)-2-(2,2-dimethyl-5-oxo-[1,3]-dioxolan-4-ylidene)-N-methoxy-acetamide

HRID 2181135Notes

Reaction equation

HRID 2181135 reaction equation
[CH3:1][C:2]1([CH3:12])[O:6][C:5](=[CH:7][C:8](Cl)=[O:9])[C:4](=[O:11])[O:3]1.[Cl:13][C:14]1[CH:23]=[C:22]([F:24])[CH:21]=[CH:20][C:15]=1[CH2:16][NH:17][O:18][CH3:19]>>[Cl:13][C:14]1[CH:23]=[C:22]([F:24])[CH:21]=[CH:20][C:15]=1[CH2:16][N:17]([O:18][CH3:19])[C:8](=[O:9])[CH:7]=[C:5]1[C:4](=[O:11])[O:3][C:2]([CH3:12])([CH3:1])[O:6]1

Participants

3

Reactant 2

HCID 22485666HCID 22485666, compoundHCID 85435482(2,2-Dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-acetyl chloride

Product 1

HCID 73855585N-(2-Chloro-4-fluorobenzyl)-2-(2,2-dimethyl-5-oxo-[1,3]-dioxolan-4-ylidene)-N-methoxy-acetamideYield 97%

Procedure

Reaction of (2,2-dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-acetyl chloride with N-(2-chloro-4-fluoro-benzyl)-O-methyl-hydroxylamine as described in the preparation of compound 1-C gave the title amide as white crystals (97% yield): mp 127-128° C. (ethyl acetate-hexane). 1HNMR 400 MHz (CDCl3) δ (ppm): 1.76 (6H, s, CH3), 3.70 (3H, s, OCH3), 4.95 (2H, s, NCH2), 6.41 (1H, s, CH), 6.96 (1H, m, aromatic), 7.13 (1H, dd, J=2.5 Hz and J=8.7 Hz, aromatic), 7.38 (1H, dd, J=6.1 Hz and J=8.6 Hz, aromatic). Anal. calcd for C15H15ClFNO5: C, 52.41; H, 4.39; N, 4.07. Found: C, 52.49; H, 4.15; N, 3.76.

Sources & evidence

ORD record
ord-c686b9652df04983ae5809c3f2e80be6
Source dataset
uspto-grants-2005_05
Patent number
US06890942B2

Reaction notes

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