Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes.

Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes. Research Abstract Details 

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Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes. Abstract Text:

Yong Zhang,Chunchang Zhao,Jinhua Yang,Mbiya Kapiamba,Olesya Haze,Lewis J Rothberg,Man-Kit Ng,

A new class of semi-flexible dendrimers with oligothiophene (OT) arms up to the third generation have been synthesized and investigated. The synthetic methods employed include a combination of palladium-catalyzed Stille cross-coupling reactions for oligothiophenes, Sonogashira cross-coupling reactions for building blocks, and carbodiimide-mediated esterification for building up the various dendrimers. The optical and electrochemical properties of this series of oligothiophenes-based dendrimers are shown to be strongly influenced by their morphologies as demonstrated by their pronounced solvatochromic and thermochromic responses under different environmental conditions. Introducing rigid oligothiophene arms to shape non-persistent ester-linked dendrimers causes higher generation dendrimers (G2 and G3) to exhibit solvatochromism and thermochromism, while their oligomeric counterpart (3b) and lower generation (G1) analogue do not. Spectroscopic changes due to both intramolecular and intermolecular aggregations are observed.

Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes. Publishing Authors By Initials

Y Zhang,C Zhao,J Yang,M Kapiamba,O Haze,LJ Rothberg,MK Ng,

For similar thiophenes research abstracts see: thiophenes research

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Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: The Journal of organic chemistry

VOLUME: 71

Page Numbers: 9475-83

Journal Abbreviation: J. Org. Chem.

ISSN: 0022-3263

DAY: 8

MONTH: Dec

YEAR: 2006

Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes. Information

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LANGUAGE: eng

NlmUniqueID: 2985193

Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes. Keywords Mesh Terms:

KEYWORDS: Thiophenes

MESH TERMS: chemistry

Chemical & Substance for Abstract: Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes. Information

Substance Name: Thiophenes

Registry Number: 0

Grant and Affiliation Information for Synthesis, optical, and electrochemical properties of a new family of dendritic oligothiophenes.

AFFILIATION: Department of Chemistry, University of Rochester, Rochester, New York 14627, USA.

Country: United States

AGENCY: United States NCRR

GRANT: P41RR0954

ACRONYM: RR

MEDLINETA: J Org Chem

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