Phenol → Diphenyl carbonate

HRID 260563Notes

Reaction equation

HRID 260563 reaction equation
[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

Participants

4

Reactant 2

HCID 996PhenolHCID 15891Phenyl chloroformate

Product 1

HCID 7597Diphenyl carbonate

Reagents, catalysts & solvents 1

HCID 15942212055-23-1Catalyst

Procedure

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%.

Workup

  1. customAfter 2 h reaction time

Sources & evidence

ORD record
ord-d160f729d4934ed2825bdc77a4974c69
Source dataset
uspto-grants-1996_06
Patent number
US05527942

Reaction notes

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