Water → 3,6-Dibromobenzene-1,2-diamine

HRID 70750

反応式

HRID 70750 の反応式
[Br:1][C:2]1[C:10]2[C:6](=[N:7]S[N:9]=2)[C:5]([Br:11])=[CH:4][CH:3]=1.[BH4-].[Na+].O>C(O)C>[Br:1][C:2]1[C:10]([NH2:9])=[C:6]([NH2:7])[C:5]([Br:11])=[CH:4][CH:3]=1

参加物

5

反応物 3

HCID 962WaterHCID 6263614,7-Dibromo-2,1,3-benzothiadiazoleHCID 4311764Sodium borohydride

生成物 1

HCID 118215323,6-Dibromobenzene-1,2-diamine

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

The specific preparation is described as follows: dissolving 4,7-dibromo-2,1,3-benzothiadiazole in organic solvent such as ethanol, adding appropriate sodium borohydride at 0° C., then raising the temperature to room temperature, stirring for 12-24 hours, distilling organic solvent of reaction product, after adding water, washing with saline water, then extracting with diethyl ether, drying with anhydrous sodium sulfate. 3,6-dibromo-1,2-diaminobenzene is obtained after solvent is rotary dried.

後処理

  1. customThe specific preparation
  2. distillationdistilling organic
  3. customsolvent of reaction product
  4. washwashing with saline water
  5. extractionextracting with diethyl ether
  6. dry with materialdrying with anhydrous sodium sulfate

出典と根拠

ORDレコード
ord-869ba25368eb494f825ec82fe352d855
出典データセット
uspto-grants-2014_09
特許番号
US08822634B2

関連ノート

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