Diazomethane → Methyl 2-methoxyimino-2-(3-chloro-4-hydroxyphenyl)acetate

HRID 1089942ノート

反応式

HRID 1089942 の反応式
[CH3:1][O:2][N:3]=[C:4]([C:8]1[CH:13]=[CH:12][C:11]([OH:14])=[C:10]([Cl:15])[CH:9]=1)[C:5]([OH:7])=[O:6].[N+](=[CH2:18])=[N-]>>[CH3:1][O:2][N:3]=[C:4]([C:8]1[CH:13]=[CH:12][C:11]([OH:14])=[C:10]([Cl:15])[CH:9]=1)[C:5]([O:7][CH3:18])=[O:6]

参加物

3

反応物 2

HCID 9550DiazomethaneHCID 1360939502-Methoxyimino-2-(3-chloro-4-hydroxyphenyl)acetic acid

生成物 1

HCID 136176295Methyl 2-methoxyimino-2-(3-chloro-4-hydroxyphenyl)acetate

実験手順

2-Methoxyimino-2-(3-chloro-4-hydroxyphenyl)acetic acid (a mixture of syn and anti isomers) (7 g.) and diazomethane (1.5 g.) were reacted and the product was purified by column chromatography according to a similar manner to that of Preparation 5-3) (b) to give crystals of methyl 2-methoxyimino-2-(3-chloro-4-hydroxyphenyl)acetate (syn isomer) (3.0 g.).

後処理

  1. customwere reacted
  2. customthe product was purified by column chromatography
  3. customof Preparation 5-3) (b)

出典と根拠

ORDレコード
ord-f4e0709bdbfe43c3a3bec8009f14798d
出典データセット
uspto-grants-1992_01
特許番号
US05079369

反応ノート

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