Hydrochloric Acid → 2,6-Dichlorobenzylglyoxal

HRID 325949ノート

反応式

HRID 325949 の反応式
C([O:3][C:4](OCC)([CH2:7][C:8]1[C:13]([Cl:14])=[CH:12][CH:11]=[CH:10][C:9]=1[Cl:15])[CH:5]=[O:6])C.Cl>C(O)C>[Cl:14][C:13]1[CH:12]=[CH:11][CH:10]=[C:9]([Cl:15])[C:8]=1[CH2:7][C:4]([CH:5]=[O:6])=[O:3]

参加物

4

反応物 2

HCID 313Hydrochloric AcidHCID 204632942,6-Dichlorobenzylglyoxal diethylacetal

生成物 1

HCID 204633232,6-Dichlorobenzylglyoxal

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

A mixture of 10 g of 2,6-dichlorobenzylglyoxal diethylacetal, 40 ml of ethanol and 20 ml of concentrated hydrochloric acid is refluxed for 4 hours and then is evaporated to dryness. The residue, which is a yellowish oil, consists of crude 2,6-dichlorobenzylglyoxal and is used in step (b) of this Example as set forth below.

後処理

  1. temperatureis refluxed for 4 hours
  2. customis evaporated to dryness

出典と根拠

ORDレコード
ord-4719f1c3bcbc45e78fa6c683064271c8
出典データセット
uspto-grants-1984_04
特許番号
US04443466

反応ノート

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