HCID 22485637, compound → HCID 73855560, compound

HRID 2181117Notes

Reaction equation

HRID 2181117 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.[F:13][C:14]1[CH:23]=[CH:22][C:17]([CH2:18][NH:19][O:20][CH3:21])=[CH:16][C:15]=1[CH3:24]>>[CH3:1][C:2]1([CH3:12])[O:6][C:5](=[CH:7][C:8]([N:19]([CH2:18][C:17]2[CH:22]=[CH:23][C:14]([F:13])=[C:15]([CH3:24])[CH:16]=2)[O:20][CH3:21])=[O:9])[C:4](=[O:11])[O:3]1

Participants

3

Reactant 2

HCID 22485637HCID 22485637, compoundHCID 85435482(2,2-Dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-acetyl chloride

Product 1

HCID 73855560HCID 73855560, compoundYield 95%

Procedure

Reaction of (2,2-dimethyl-5-oxo-[1,3]dioxolan-4-ylidene)-acetyl chloride with N-(4-fluoro-3-methyl-benzyl)-O-methyl-hydroxylamine as described in the preparation of compound 1-C gave the title amide as white crystals (95% yield): mp 107-108° C. (ethyl acetate-hexane). 1HNMR 400 MHz (CDCl3) δ (ppm): 1.75 (6H, s, CH3), 2.26 (3H, broad s, CH3), 3.69 (3H, s, OCH3), 4.75 (2H, s, NCH2), 6.39 (1H, s, CH), 6.95 (1H, m, aromatic), 7.13-7.19 (2H, m, aromatics). Anal. calcd for C16H18FNO5: C, 59.43; H, 5.61; N, 4.33. Found: C, 59.24; H, 5.47; N 4.29.

Sources & evidence

ORD record
ord-a69656dc913c4f5381fea4275b37401a
Source dataset
uspto-grants-2005_05
Patent number
US06890942B2

Reaction notes

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