Hydrochloric Acid → HCID 67851899、化合物

HRID 486600ノート

反応式

HRID 486600 の反応式
[C:1]([C:4]1[CH:5]=[CH:6][C:7]([Cl:14])=[C:8]([S:10](Cl)(=[O:12])=[O:11])[CH:9]=1)([OH:3])=[O:2].S([O-])([O-])=O.[Na+:19].[Na+].Cl>O>[C:1]([C:4]1[CH:5]=[CH:6][C:7]([Cl:14])=[C:8]([S:10]([O-:12])=[O:11])[CH:9]=1)([OH:3])=[O:2].[Na+:19].[Na+:19].[C:1]([C:4]1[CH:5]=[CH:6][C:7]([Cl:14])=[C:8]([S:10]([O-:12])=[O:11])[CH:9]=1)([OH:3])=[O:2]

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 24437Sodium SulfiteHCID 756134-Chloro-3-(chlorosulphonyl)benzoic acid

生成物 1

HCID 67851899HCID 67851899、化合物

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

is obtained from 186 g of 5-carboxy-2-chlorobenzenesulfinic acid, prepared by reduction of 261 g of 5-carboxy-2-chlorobenzenesulfonyl chloride with 157 g of sodium sulfite in 700 ml of water at 70° C. at pH 9-10 and subsequent acidification using HCl, by neutralization with 67.6 g of caustic soda in 2 liters of water, removal of the latter by distillation and crystallization of the residue with acetone.

後処理

  1. customby neutralization with 67.6 g of caustic soda in 2 liters of water, removal of the latter
  2. distillationby distillation and crystallization of the residue with acetone

出典と根拠

ORDレコード
ord-63a390847d6c495cbf2b69ef11fb6405
出典データセット
uspto-grants-1994_03
特許番号
US05292755

反応ノート

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