4,4'-Carbonyldiphthalic anhydride → Benzophenone
Reaction equation
[CH:1]1[C:6]([C:7]([C:9]2[CH:14]=[CH:13][C:12]3C(OC(=O)[C:11]=3[CH:10]=2)=O)=[O:8])=[CH:5][C:4]2C(OC(=O)[C:3]=2[CH:2]=1)=O>CO>[C:7]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1)(=[O:8])[C:6]1[CH:1]=[CH:2][CH:3]=[CH:4][CH:5]=1Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
To a 1 liter flask were added 420.00 g of benzophenone tetracarboxylic dianhydride and 503.52 g of methanol, a 50% by weight methanol solution of (A1) was prepared in the same manner as that of the process I of Example 1.
Sources & evidence
- ORD record
- ord-0146be9567324e7da51cd839597b48b4
- Source dataset
- uspto-grants-1999_06
- Patent number
- US05914385
Reaction notes
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