Efficient and selective procedures have been developed to prepare on a medium scale several phototoxic 2,2':5',2"-terthiophene derivatives of general formula 2 and 3, which are characterized by a functional substituent in the 3'- or the 5-position. Most of these procedures, which are based on the construction of the 2,2':5',2"-terthiophene moiety and involve palladium-mediated carbon-carbon bond forming reactions, allow to overcome synthetic difficulties that may be found in the synthesis of compounds 2 and 3 starting from 2,2':5',2"-terthiophene (1a).

Selective and efficient syntheses of phototoxic 2,2':5',2''-terthiophene derivatives bearing a functional substituent in the 3'- or the 5-position

ROSSI, RENZO;CARPITA, ADRIANO;
1991-01-01

Abstract

Efficient and selective procedures have been developed to prepare on a medium scale several phototoxic 2,2':5',2"-terthiophene derivatives of general formula 2 and 3, which are characterized by a functional substituent in the 3'- or the 5-position. Most of these procedures, which are based on the construction of the 2,2':5',2"-terthiophene moiety and involve palladium-mediated carbon-carbon bond forming reactions, allow to overcome synthetic difficulties that may be found in the synthesis of compounds 2 and 3 starting from 2,2':5',2"-terthiophene (1a).
1991
Rossi, Renzo; Carpita, Adriano; Ciofalo, M; Lippolis, V.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/18817
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