2,2-Dimethylsuccinic acid → 2,2-Dimethylsuccinic anhydride

HRID 434757노트

반응식

HRID 434757 반응식
[CH3:1][C:2]([CH3:10])([CH2:6][C:7]([OH:9])=[O:8])[C:3](O)=[O:4]>C(OC(=O)C)(=O)C>[CH3:1][C:2]1([CH3:10])[CH2:6][C:7](=[O:9])[O:8][C:3]1=[O:4]

참가 물질

3

반응물 1

HCID 117012,2-Dimethylsuccinic acid

생성물 1

HCID 870672,2-Dimethylsuccinic anhydride수율 84.4%

시약·촉매·용매 1

HCID 7918Acetic Anhydride용매

실험 절차

50 g of 2,2-dimethylsuccinic acid and 70 ml of acetic anhydride were reacted at 140° C. for 3 hours and, after removing acetic acid and acetic anhydride under reduced pressure, the residue was subjected to vacuum distillation to obtain 37 g of 2,2-dimethylsuccinic anhydride.

후처리

  1. customafter removing acetic acid and acetic anhydride under reduced pressure
  2. distillationthe residue was subjected to vacuum distillation

출처 및 근거

ORD 기록
ord-aaba728a4dbb45eb84530e47b12fd775
출처 데이터셋
uspto-grants-1983_08
특허 번호
US04399210

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