Ethyl 4-methyl-2-(2-oxo-3-phenylimidazolidin-1-yl)thiazole-5-carboxylate → 4-methyl-2-(2-oxo-3-((tetrahydro-2H-pyran-2-yl)methyl)imidazolidin-1-yl)thiazole-5-carboxylic acid

HRID 560607Notes

Reaction equation

HRID 560607 reaction equation
CC1N=C(N2CCN(C3C=CC=CC=3)C2=O)SC=1C(OCC)=O.[CH3:24][C:25]1[N:26]=[C:27]([N:35]2[CH2:39][CH2:38][N:37]([CH2:40][CH:41]3[CH2:46][CH2:45][CH2:44][CH2:43][O:42]3)[C:36]2=[O:47])[S:28][C:29]=1[C:30]([O:32]CC)=[O:31]>>[CH3:24][C:25]1[N:26]=[C:27]([N:35]2[CH2:39][CH2:38][N:37]([CH2:40][CH:41]3[CH2:46][CH2:45][CH2:44][CH2:43][O:42]3)[C:36]2=[O:47])[S:28][C:29]=1[C:30]([OH:32])=[O:31]

Participants

3

Reactant 2

HCID 58031446Ethyl 4-methyl-2-(2-oxo-3-phenylimidazolidin-1-yl)thiazole-5-carboxylateHCID 58031472ethyl 4-methyl-2-(2-oxo-3-((tetrahydro-2H-pyran-2-yl)methyl)imidazolidin-1-yl)thiazole-5-carboxylate

Product 1

HCID 580316534-methyl-2-(2-oxo-3-((tetrahydro-2H-pyran-2-yl)methyl)imidazolidin-1-yl)thiazole-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 4-methyl-2-(2-oxo-3-((tetrahydro-2H-pyran-2-yl)methyl)imidazolidin-1-yl)thiazole-5-carboxylate, the title compound was obtained in 84% yield: 1H NMR (300 MHZ, DMSO-4) δ 3.96-3.91 (m, 2H), 3.85-3.78 (m, 1H), 3.65-3.54 (m, 2H), 3.46-3.34 (m, 1H), 3.32-3.24 (m, 1H), 3.17-3.09 (m, 2H), 2.47 (s, 3H), 1.86-1.70 (m, 1H), 1.49-1.37 (m, 4H), 1.18-1.04 (m, 1H); MS (ES+) m/z 326.3 (M+1).

Sources & evidence

ORD record
ord-2579a79a30674702ba2d199aaa7a5967
Source dataset
uspto-grants-2011_11
Patent number
US08063084B2

Reaction notes

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