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Dimethylformamide → 3-{2-Chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-isopropylidenaminoxycarbonylmethoxypyridine

HRID 1862322
Notes
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Reaction equation

HRID 1862322 reaction equation
Cl.CN(C)CCCN=C=NCC.[Cl:13][C:14]1[CH:31]=[C:30]([F:32])[C:29]([N:33]2[C:38](=[O:39])[CH:37]=[C:36]([C:40]([F:43])([F:42])[F:41])[N:35]([CH3:44])[C:34]2=[O:45])=[CH:28][C:15]=1[O:16][C:17]1[C:18]([O:23][CH2:24][C:25]([OH:27])=[O:26])=[N:19][CH:20]=[CH:21][CH:22]=1.[CH3:46][C:47](=[N:49]O)[CH3:48].CN(C)C=O>O>[Cl:13][C:14]1[CH:31]=[C:30]([F:32])[C:29]([N:33]2[C:38](=[O:39])[CH:37]=[C:36]([C:40]([F:43])([F:42])[F:41])[N:35]([CH3:44])[C:34]2=[O:45])=[CH:28][C:15]=1[O:16][C:17]1[C:18]([O:23][CH2:24][C:25]([O:27][N:49]=[C:47]([CH3:48])[CH3:46])=[O:26])=[N:19][CH:20]=[CH:21][CH:22]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 67180Acetone, oximeHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 219335233-{2-Chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-carboxymethoxypyridine2×

Product 1

HCID 21933518
3-{2-Chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-isopropylidenaminoxycarbonylmethoxypyridine
Yield 47.9%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

0.13 g of 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride was added to a mixture of 0.30 g of 3-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-carboxymethoxypyridine [present compound 7-6], 49 mg of acetone oxime and 2 ml of N,N-dimethylformamide at room temperature, and stirred for 2 hours. Then the mixture was poured into water and extracted with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate, and concentrated. The residue was subjected to silica gel column chromatography to obtain 0.16 g of 3-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}-2-isopropylidenaminoxycarbonylmethoxypyridine [present compound 7-118].

Workup

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  3. concentrationconcentrated

Sources & evidence

ORD record
ord-26a0232d25194a41a8d70e0266eb90e7
Source dataset
uspto-grants-2003_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06537948B1

Reaction notes

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