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Tengho Toguem,  Serge-Mithérand

Twofold Heck / 6π-Electrocyclization and Regioselective Palladium(0)-Catalyzed Reactions of Brominated Thiophenes, Pyrroles, Imidazoles and Indoles

Rostock : Universität , 2011

https://doi.org/10.18453/rosdok_id00000988

http://purl.uni-rostock.de/rosdok/id00000988

Abstract:

This thesis presents site-selective Suzuki-Miyaura reactions of 2,3,5-tribromo-thiophene, 2,4,5-tribromothiophene and 2,3,5-tribromo-N-methylpyrrole, which are controlled by steric and electronic parameters. Palladium-catalyzed Heck reactions of brominated thiophenes, N-methylimidazole, N-methylpyrrole and N-methylindole are also presented. The products were transformed by subsequent 6π-electrocyclization and dehydrogenation to functionalized benzothiophenes, dibenzothiophenes, benzimidazoles, indoles and carbazoles, respectively.

Dissertation Open Access


Einrichtung :
Mathematisch-Naturwissenschaftliche Fakultät
Gutachter :
Langer,  Peter  (Prof. Dr. Dr. h. c.)
Christoffers,  Jens  (Prof. Dr.)
Jahr der Abgabe:
2011
Jahr der Verteidigung:
2012
Sprache(n) :
Englisch
Schlagworte:
palladium, Suzuki reaction, Heck reaction, electrocyclizations, heterocycles
DDC Klassifikation :
540 Chemie
URN :
urn:nbn:de:gbv:28-diss2012-0025-5
Persistente URL:
http://purl.uni-rostock.de/rosdok/id00000988
erstellt am:
2012-03-03
zuletzt geändert am:
2018-06-30
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