HCID 21947495, compound → HCID 73855559, compound
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.[CH3:13][C:14]1[CH:23]=[CH:22][CH:21]=[CH:20][C:15]=1[CH2:16][NH:17][O:18][CH3:19]>>[CH3:1][C:2]1([CH3:12])[O:6][C:5](=[CH:7][C:8]([N:17]([O:18][CH3:19])[CH2:16][C:15]2[CH:20]=[CH:21][CH:22]=[CH:23][C:14]=2[CH3:13])=[O:9])[C:4](=[O:11])[O:3]1Participants
3
Procedure
Reaction of (2,2-dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-acetyl chloride with N-(2-methylbenzyl)-O-methyl-hydroxylamine as described in the preparation of compound 1-A gave the title amide as white crystals (100% yield): mp 96-97° C. (ethyl acetate-hexane). 1HNMR 400 MHz (CDCl3) δ (ppm): 1.78 (6H, s, CH3), 2.4 (3H, s, CH3), 3.59 (3H, s, OCH3), 4.89 (2H, s, NCH2), 6.44 (1H, s, CH), 7.2-7.28 (4H, m, aromatics). Anal. calcd. for C16H19NO5: C, 62.94; H, 6.27; N, 4.59. Found: C, 62.90; H, 6.21; N, 4.52.
Sources & evidence
- ORD record
- ord-eb8f2d19df5443acaef3697afbc0e7db
- Source dataset
- uspto-grants-2004_08
- Patent number
- US06777440B2
Reaction notes
Loading…