Phenol → Diphenyl carbonate

HRID 260563노트

반응식

HRID 260563 반응식
[C:1]1([OH:7])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.Cl[C:9]([O:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)=[O:10]>[O-2].[O-2].[Hf+4]>[C:9](=[O:10])([O:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)[O:7][C:1]1[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1

참가 물질

4

반응물 2

HCID 996PhenolHCID 15891Phenyl chloroformate

생성물 1

HCID 7597Diphenyl carbonate

시약·촉매·용매 1

HCID 159422Hafnium oxide촉매

실험 절차

Example 1 was repeated at 140° C. with 14.1 g of a powdered hafnium dioxide from the Aldrich company. After 2 h reaction time, the phenol conversion was 3.7%, whereby 3.5 g phenyl chloroformate and 3.3 g diphenyl carbonate were formed. The selectivity to carbonate esters was ca. 97%.

후처리

  1. customAfter 2 h reaction time

출처 및 근거

ORD 기록
ord-d160f729d4934ed2825bdc77a4974c69
출처 데이터셋
uspto-grants-1996_06
특허 번호
US05527942

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