Acetic Anhydride → Butylene glycol diacetate

HRID 1656792

반응식

HRID 1656792 반응식
[C:1]([O:4][C:5](=O)[CH3:6])(=[O:3])[CH3:2]>[Cl-].[Zn+2].[Cl-]>[C:1]([O:4][CH2:5][CH2:6][CH2:6][CH2:5][O:4][C:1](=[O:3])[CH3:2])(=[O:3])[CH3:2]

참가 물질

3

반응물 1

HCID 7918Acetic Anhydride

생성물 1

HCID 69410Butylene glycol diacetate수율 31%

시약·촉매·용매 1

HCID 3007855Zincchloride촉매

반응 조건

온도
140 °C

실험 절차

A 100-mL flask is charged with 1000 mol. wt. PTMEG (5.0 g), acetic anhydride (32 g), and zinc chloride (1.0 g). The mixture is refluxed for 4 h at 140° C. Tetramethylene glycol diacetate is obtained in 31% yield.

후처리

  1. additionA 100-mL flask is charged with 1000 mol

출처 및 근거

ORD 기록
ord-0b857101f23b4ee39e3a6605a4c7330e
출처 데이터셋
uspto-grants-1993_10
특허 번호
US05254723

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