偶氮化合物合成
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1. Single Step
Step Stages Notes Yield
1
1.1R:KOC(Et)Me2, S:PhMe, 5 min, rt
1.2 3 h, rt → 120°C
Schlenk flask used, Reactants: 2,
Reagents: 1, Solvents: 1, Steps: 1,
Stages: 2
Transformations:
1.Reduction of Nitro Compounds to
Amines
2.Reduction of Nitro to Azo
Compounds
30%/
CASREACT ®: Copyright © 2017 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 Syntheses Inc. Reproduced under license. All Rights Reserved.
3. Single Step
Step Stages Notes Yield
1
1.1R:KOH, C:1687734-51-5, S:Me2CHOH, 24 h,
80°C
Schlenk tube used, conversion of azo
derivative = 7%, conversion of aniline =
93%, alternative reaction conditions
shown, Reactants: 1, Reagents: 1,
Catalysts: 1, Solvents: 1, Steps: 1,
Stages: 1
Transformations:
1.Reduction of Nitro Compounds to
Amines
2.Reduction of Nitro to Azo
Compounds
CASREACT ®: Copyright © 2017 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 Syntheses Inc. Reproduced under license. All Rights Reserved.
4. Single Step
Step Stages Notes Yield 1
1.1R:KOH, C:1974333-28-2, S:Me2CHOH, 24 h,
80°C
Schlenk tube used, conversion of aniline
= 80%, conversion of azo derivative =
3%, conversion of azoxy derivative =
17%, catalyst prepared and used,
alternative reaction conditions shown,
Reactants: 1, Reagents: 1, Catalysts: 1,
Solvents: 1, Steps: 1, Stages: 1
Transformations:
1.Reduction of Nitro Compounds to
Amines
2.Reduction of Nitro to Azo
Compounds
3.Reduction of Nitro to Azoxy
Compounds
CASREACT ®: Copyright © 2017 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 1996-2006John Wiley & Sons, Ltd., John Wiley and Sons, Inc., Organic Reactions Inc., and Organic Syntheses Inc. Reproduced under license. All Rights Reserved.5. Single Step
Step Stages Notes
Yield 1
1.1
R:KNO 3, R:HfCl 4 R:
R:Quinoline, S:H 2O, rt → 65°C; 3 h, 65°C
Reactants: 1, Reagents: 4, Solvents: 1,Steps: 1, Stages: 1Transformation:
1.Dimerization of Diazonium Salts
92%
CASREACT ®: Copyright © 2017 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 1996-2006John Wiley & Sons, Ltd., John Wiley and Sons, Inc., Organic Reactions Inc., and Organic Syntheses Inc. Reproduced under license. All Rights Reserved.