Benzoic Acid → 2,6-Naphthalenedicarboxylic acid
Reaction equation
[K+].[K+].[CH:3]1[C:12]2[C:7](=[CH:8][C:9]([C:13]([O-:15])=[O:14])=[CH:10][CH:11]=2)[CH:6]=[CH:5][C:4]=1[C:16]([O-:18])=[O:17].[K+].C1C2C(=CC(C(O)=O)=CC=2)C=CC=1C([O-])=O.C1(C(O)=O)C=CC=CC=1>O>[CH:3]1[C:12]2[C:7](=[CH:8][C:9]([C:13]([OH:15])=[O:14])=[CH:10][CH:11]=2)[CH:6]=[CH:5][C:4]=1[C:16]([OH:18])=[O:17]Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
reacting at least one of 2,6-naphthalenedicarboxylic acid dipotassium salt and 2,6-naphthalenedicarboxylic acid monopotassium salt with a benzenecarboxylic acid of the formula ##STR6## wherein m is an integer from 1 to 6, n is an integer from 0 to 5, and m+ n is 1 to 6, in the presence of water at a temperature of 0°-200° C. to yield solid 2,6-naphthalenedicarboxylic acid and an aqueous solution of a benzenecarboxylic acid potassium salt of the formula ##STR7## b) separating the solid 2,6-naphthalenedicarboxylic acid from the aqueous solution; c) recovering the benzenecarboxylic acid potassium salt from the aqueous solution; d) reacting the benzenecarboxylic acid potassium salt with naphthalene to yield 2,6-naphthalenedicarboxylic acid dipotassium salt; and e) recycling the 2,6-naphthalene-dicarboxylic acid dipotassium salt to step a).
Sources & evidence
- ORD record
- ord-070fcbf318cc44c281989029c5fa670d
- Source dataset
- uspto-grants-1992_12
- Patent number
- US05175354
Reaction notes
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