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

Title data

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. Vol. 216 (August 1998) Issue 3 . - U9.
ISSN 0065-7727

Abstract in another language

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.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 16 Apr 2015 06:20
Last Modified: 16 Apr 2015 06:20
URI: https://eref.uni-bayreuth.de/id/eprint/10240