Ethyl 2-(3-benzyl-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylate → 2-(3-Benzyl-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acid

HRID 2067367Notes

Reaction equation

HRID 2067367 reaction equation
CC1N=C(N2CCN(C3C=CC=CC=3)C2=O)SC=1C(OCC)=O.[CH2:24]([N:31]1[CH2:35][CH2:34][N:33]([C:36]2[S:37][C:38]([C:42]([O:44]CC)=[O:43])=[C:39]([CH3:41])[N:40]=2)[C:32]1=[O:47])[C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1>>[CH2:24]([N:31]1[CH2:35][CH2:34][N:33]([C:36]2[S:37][C:38]([C:42]([OH:44])=[O:43])=[C:39]([CH3:41])[N:40]=2)[C:32]1=[O:47])[C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1

Participants

3

Reactant 2

HCID 57919811Ethyl 2-(3-benzyl-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylateHCID 58031446Ethyl 4-methyl-2-(2-oxo-3-phenylimidazolidin-1-yl)thiazole-5-carboxylate

Product 1

HCID 579198662-(3-Benzyl-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylic acidYield 84%

Procedure

Following the procedure as described in Example 6, making variations as required to replace ethyl 4-methyl-2-(2-oxo-3-phenylimidazolidin-1-yl)thiazole-5-carboxylate with ethyl 2-(3-benzyl-2-oxoimidazolidin-1-yl)-4-methylthiazole-5-carboxylate, the title compound was obtained in 84% yield: mp 248-249° C.; 1H NMR (300 MHz, DMSO-d6) δ 7.36-7.22 (m, 5H), 4.47 (s, 2H), 3.97 (t, J=7.5 Hz, 2H), 3.42 (t, J=7.5 Hz, 2H), 2.49 (s, 3H); MS (ES+) m/z 318.3 (M+1).

Sources & evidence

ORD record
ord-fcbb11b284224049a929c251f0bd2c65
Source dataset
uspto-grants-2012_10
Patent number
US08293768B2

Reaction notes

Loading…