2.6-二羧酸吡啶

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1. Single Step
StepStagesNotesYield
11.1 R:KOH, S:H2O, rt → 60°C; 2-3 h, 50-60°C; 60°C → 100°C1.2 R:KMnO4, 16 h, 90-100°Coptimization study, optimized onstoichiometry, reagent, solvent,Reactants: 1, Reagents: 2,Solvents: 1, Stages: 277%

Source
Method for preparation of high-purity
2,5-pyridine dicarboxylic acid from 6-
methylnicotinic acid or its ester
Jin, Ningren; Wang, Xueliang; Shi,
Yunlong
Assignee Zhejiang Dragon Chemical
Group Co., Ltd.
2010

Patent Information
Oct 13, 2010
CN 101857567
A

Number of Steps
1

CASREACT ®: Copyright © 2011 American Chemical Society. All Rights Reserved. CASREACT contains reactions
from CAS and from: ZIC/VINITI database (1974-1999) provided by InfoChem; INPI data prior to 1986; Biotransformations
database compiled under the direction of Professor Dr. Klaus Kieslich; organic reactions, portions copyright 1996-2006
John Wiley & Sons, Ltd., John Wiley and Sons, Inc., Organic Reactions Inc., and Organic Synthesis Inc. Reproduced
under license. All Rights Reserved.

2. Single Step

StepStagesNotesYield
11.1 R:KMnO4, S:H2O, 15 h, 90-100°C; 100°C → rt1.2 R:HCl, S:H2O, pH 2-3Reactants: 1, Reagents: 2,Solvents: 1, Stages: 260%

Source
Method for preparation of high-purity
2,5-pyridine dicarboxylic acid from 6-
methylnicotinic acid or its ester
Jin, Ningren; Wang, Xueliang; Shi,
Yunlong
Assignee Zhejiang Dragon Chemical
Group Co., Ltd.
2010

SciFinder®Page 1
Patent Information
Oct 13, 2010
CN 101857567
A

Number of Steps
1

CASREACT ®: Copyright © 2011 American Chemical Society. All Rights Reserved. CASREACT contains reactions
from CAS and from: ZIC/VINITI database (1974-1999) provided by InfoChem; INPI data prior to 1986; Biotransformations
database compiled under the direction of Professor Dr. Klaus Kieslich; organic reactions, portions copyright 1996-2006
John Wiley & Sons, Ltd., John Wiley and Sons, Inc., Organic Reactions Inc., and Organic Synthesis Inc. Reproduced
under license. All Rights Reserved.

SciFinder®Page 2