Hydrochloric Acid → Methyl [2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]acetate

HRID 1280351Notes

Reaction equation

HRID 1280351 reaction equation
N(OCCC(C)C)=O.[F:9][C:10]1[C:11]([N:30]2[C:35](=[O:36])[CH:34]=[C:33]([C:37]([F:40])([F:39])[F:38])[N:32]([CH3:41])[C:31]2=[O:42])=[CH:12][C:13]([O:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=2[O:24][CH2:25][C:26]([O:28][CH3:29])=[O:27])=[C:14]([CH:16]=1)N.[ClH:43]>[Cu]Cl.[Cu](Cl)Cl.C(#N)C>[Cl:43][C:14]1[CH:16]=[C:10]([F:9])[C:11]([N:30]2[C:35](=[O:36])[CH:34]=[C:33]([C:37]([F:40])([F:39])[F:38])[N:32]([CH3:41])[C:31]2=[O:42])=[CH:12][C:13]=1[O:17][C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=1[O:24][CH2:25][C:26]([O:28][CH3:29])=[O:27]

Participants

7

Reactant 3

HCID 313Hydrochloric AcidHCID 8053Isoamyl NitriteHCID 187593175-Fluoro-2-{2-(methoxycarbonyl)methoxyphenoxy}-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]aniline

Product 1

HCID 11607621Methyl [2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]acetate

Reagents, catalysts & solvents 3

HCID 24014Cupric ChlorideCatalystHCID 62652Cuprous chlorideCatalystHCID 6342AcetonitrileSolvent2×

Procedure

A mixture of 11.02 g of isoamyl nitrite and 45 ml of acetonitrile was added dropwise to a mixture of 15.16 g of 5-fluoro-2-{2-(methoxycarbonyl)methoxyphenoxy}-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]aniline (produced in Intermediate Production Example 10), 6.21 g of copper (I) chloride, 12.65 g of copper (II) chloride, and 250 ml of acetonitrile at room temperature, and the mixture was stirred for 2 hour. This reaction solution was poured into 2% hydrochloric acid, and extracted with ethyl acetate. The organic layer was washed with saturated saline, dried over anhydrous magnesium sulfate, and concentrated. The residue was subjected to silica gel column chromatography to obtain 13 g of methyl [2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]acetate [Compound 3-11 of the present invention].

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with saturated saline
  3. dry with materialdried over anhydrous magnesium sulfate
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-af483a663bf24b6ebc0ec2c6446d138b
Source dataset
uspto-grants-2002_09
Patent number
US06451740B2

Reaction notes

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