4-Chlorophenol → HCID 131712515, compound
Reaction equation
[CH:1]1[CH:6]=[CH:5][C:4](/[CH:7]=[CH:8]/[CH2:9][O:10][C@@H:11]2[O:16][C@H:15]([CH2:17][OH:18])[C@@H:14]([OH:19])[C@H:13]([OH:20])[C@H:12]2[OH:21])=[CH:3][CH:2]=1.Cl[C:23]1[CH:28]=[CH:27][C:26]([OH:29])=[CH:25][CH:24]=1>[Cl-].[Zn+2].[Cl-]>[CH:1]1[CH:2]=[CH:3][C:4](/[CH:7]=[CH:8]/[CH2:9][O:10][C@@H:11]2[O:16][C@H:15]([CH2:17][OH:18])[C@@H:14]([OH:19])[C@H:13]([OH:20])[C@H:12]2[OH:21])=[CH:5][CH:6]=1.[C:26]1([OH:29])[CH:27]=[CH:28][CH:23]=[CH:24][CH:25]=1Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
After having added 0.4 part of zinc chloride, 302 parts of colophony are slowly heated to 100° C. together with 128 parts of 4-chlorophenol, while passing nitrogen through the mixture, and said temperature is maintained for 2 hours. Subsequently the temperature is increased to 200° to 210° C., until after about 1 hour the reaction product is free from halogen. After cooling there is obtained a clear rosin having a softening point of about 105° C.
Workup
- temperatureis maintained for 2 hours
- temperatureSubsequently the temperature is increased to 200° to 210° C.
- temperatureAfter cooling there
Sources & evidence
- ORD record
- ord-02b7914eeee44b3dae9e494f82c2727b
- Source dataset
- uspto-grants-1981_10
- Patent number
- US04297270
Reaction notes
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