Hydrochloric Acid → 3,4-Dimethyl-2-pentenoylchloride

HRID 1702963ノート

反応式

HRID 1702963 の反応式
[CH3:1][C:2]([CH:9]([CH3:11])[CH3:10])=[CH:3][C:4](OCC)=[O:5].S(Cl)([Cl:14])=O.Cl>C1C=CC=CC=1>[CH3:1][C:2]([CH:9]([CH3:11])[CH3:10])=[CH:3][C:4]([Cl:14])=[O:5]

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 24386Thionyl ChlorideHCID 281491Ethyl 3,4-dimethyl-2-pentenoate

生成物 1

HCID 541273923,4-Dimethyl-2-pentenoylchloride

試薬・触媒・溶媒 1

HCID 241Benzene溶媒

実験手順

3,4-Dimethyl-2-pentenoic acid (XI, 4.1 g) was heated to a gentle boil with thionyl chloride (50 g) in benzene (50 mL) until the generation of hydrochloric acid gas ceased. Removal of the excess thionyl chloride and benzene by evaporation in vacuo followed by a distillation of the reaction product gave pure 3,4-dimethyl-2-pentenoylchloride (IX, 64° C. (9.5 mm)).

後処理

  1. customRemoval of the excess thionyl chloride and benzene
  2. customby evaporation in vacuo
  3. distillationfollowed by a distillation of the reaction product

出典と根拠

ORDレコード
ord-ca025f933d654ceab519a593a8a60d57
出典データセット
uspto-grants-1982_09
特許番号
US04350638

反応ノート

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