Synthesis and Fluorescence Properties of Donor-Acceptor-Substituted Novel Dipyrazolo[3,4-b:3′,4′-d]Pyridines (DPP)

A rapid and efficient method for the synthesis of novel dipyrazolo[3,4- b :3′,4′- d ]pyridines (DPP) from pyrazolo[3,4- b ]pyridine was successfully developed. The DPP derivative was further N-alkylated ( 6 , 8 ) as well as N-linked with amino acids ( 13 ) and their photophysical properties were stu...

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Bibliographic Details
Published in:Journal of fluorescence 2010-05, Vol.20 (3), p.787-796
Main Authors: Jachak, Madhukar N., Bagul, Sandeep M., Birari, Dilip R., Ghagare, Maruti G., Kazi, Muddassar A., Toche, Raghunath B., Mathad, Vijayavitthal T.
Format: Article
Language:English
Subjects:
Absorption
Amino acids
Analytical Chemistry
Aromatic compounds
Biochemistry
Biological and Medical Physics
Biomedical and Life Sciences
Biomedicine
Biophysics
Biotechnology
Chromophores
Derivatives
Emission analysis
Fluorescence
Pyridines - chemical synthesis
Pyridines - chemistry
Pyridines - metabolism
Rapid Communication
Synthesis
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Summary:A rapid and efficient method for the synthesis of novel dipyrazolo[3,4- b :3′,4′- d ]pyridines (DPP) from pyrazolo[3,4- b ]pyridine was successfully developed. The DPP derivative was further N-alkylated ( 6 , 8 ) as well as N-linked with amino acids ( 13 ) and their photophysical properties were studied along with N-aryl DPP 4 and observed that the chromophores at C 4 position in the aryl ring changed the absorption and emission λ max .
ISSN:1053-0509
1573-4994
DOI:10.1007/s10895-010-0622-4