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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
ノート
印刷プレビュー

反応式

HRID 1022835 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 443297Hydroxyamine hydrochlorideHCID 866585204-[5-(3,5-Dichloro-phenyl)-5-trifluoromethyl-4,5-dihydro-isoxazol-3-yl]-2-methyl-benzaldehyde2 回

生成物 1

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

試薬・触媒・溶媒 1

HCID 887
Methanol
溶媒

実験手順

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%).

後処理

  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

出典と根拠

ORDレコード
ord-6ffc7733c34b4b08aa4e6990c946f8ae
出典データセット
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08722673B2

反応ノート

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