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Synthesis and Characterisation of Homopolymers and Copolymers Based on e-Caprolactone and d -Valerolactone Using Organolanthanides

Titelangaben

Agarwal, Seema ; Karl, Marc ; Anfang, S. ; Dehnicke, Kurt ; Greiner, Andreas:
Synthesis and Characterisation of Homopolymers and Copolymers Based on e-Caprolactone and d -Valerolactone Using Organolanthanides.
In: Abstracts of Papers of the American Chemical Society. Bd. 216 (1998) Heft 3 . - U9.
ISSN 0065-7727

Abstract

The palladium-catalyzed crosscoupling reaction of boronic acids and benzyl bromides can be used successfully for the preparation of benzyls in high yield. This C-C coupling reaction was optimized for the synthesis of polybenzyls by model reactions. Different reaction channels were observed here with meta- and para-bis(bromomethyl)benzenes. The main product with 1,3-bis(chloromethyl)benzene was the corresponding 1,3-dibenzylbenzene, but the main product with 1,4-bis(chloromethyl)benzene was the corresponding biaryl resulting from homocoupling of aromatic boronic acid. 1.3-Linked polybenzyls were synthesized based on the results of the model reactions. M̄n's of 2 380 corresponding to a DP of 26 were found based on GPC. No structural defects were detected within the limits of detection.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Makromolekulare Chemie II > Lehrstuhl Makromolekulare Chemie II - Univ.-Prof. Dr. Andreas Greiner
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Chemie > Lehrstuhl Makromolekulare Chemie II
Titel an der UBT entstanden: Nein
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
Eingestellt am: 16 Apr 2015 06:20
Letzte Änderung: 24 Feb 2022 13:30
URI: https://eref.uni-bayreuth.de/id/eprint/10240