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Hydrochloric Acid → 4-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde oxime

HRID 1022835
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HRID 1022835 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:23]([F:26])([F:25])[F:24])[O:13][N:12]=[C:11]([C:14]3[CH:21]=[CH:20][C:17]([CH:18]=O)=[C:16]([CH3:22])[CH:15]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1.Cl.[NH2:28][OH:29].Cl>CO>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2([C:23]([F:26])([F:25])[F:24])[O:13][N:12]=[C:11]([C:14]3[CH:21]=[CH:20][C:17]([CH:18]=[N:28][OH:29])=[C:16]([CH3:22])[CH:15]=3)[CH2:10]2)[CH:5]=[C:6]([Cl:8])[CH:7]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 313Hydrochloric AcidHCID 443297Hydroxyamine hydrochlorideHCID 866585204-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde2회

생성물 1

HCID 1363862674-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde oxime수율 91%

시약·촉매·용매 1

HCID 887
Methanol
용매

실험 절차

A solution of 4-[5-(3,5-dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde (i.e. the product of Step 1, 5.00 g), hydroxylamine hydrochloride (1.30 g) and concentrated hydrochloric acid (1 mL, 1.05 g) in MeOH (methanol) (37.5 mL) was stirred at 70° C. for 4 h. After cooling, the mixture was freed from all volatiles by evaporation and partitioned between MTBE and water. The organic layer was separated and dried. Chromatography over silica gel yielded the title compound (4.70 g, 91%).

후처리

  1. temperatureAfter cooling
  2. customthe mixture was freed from all volatiles by evaporation
  3. custompartitioned between MTBE and water
  4. customThe organic layer was separated
  5. customdried

출처 및 근거

ORD 기록
ord-6ffc7733c34b4b08aa4e6990c946f8ae
출처 데이터셋
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08722673B2

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