Document Detail


"Assessing the RAFT Equilibrium Constant via Model Systems: An EPR Study"-Response to a Comment.
MedLine Citation:
PMID:  22539498     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We have presented an EPR-based approach for deducing the RAFT equilibrium constant, K(eq) , of a dithiobenzoate-mediated system [Meiser, W. and Buback M. Macromol. Rapid Commun. 2011, 32, 1490]. Our value is by four orders of magnitude below K(eq) from ab initio calculations for the identical monomer-free system. Junkers et al. [Macromol. Rapid Commun. 2011, 32, 1891] claim that our EPR approach would be model dependent and our data could be equally well fitted by assuming slow addition of radicals to the RAFT agent and slow fragmentation of the so-obtained intermediate radical as well as high cross-termination rate. By identification of all side products, our EPR-based method is shown to be model independent and to provide reliable K(eq) values, which demonstrate the validity of the intermediate radical termination model.
Authors:
Wibke Meiser; Michael Buback
Related Documents :
22531738 - Statistically reliable and fast direct estimation of phase-amplitude cross-frequency co...
12008888 - Data standards are back seat drivers! methodology for incorporating information quality...
3927528 - Data reduction for electron isodose measurements.
21846788 - Health information exchange usage in emergency departments and clinics: the who, what, ...
7131168 - Detection of human teratogenic agents.
24001928 - Validation of density-elasticity relationships for finite element modeling of human pel...
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-27
Journal Detail:
Title:  Macromolecular rapid communications     Volume:  -     ISSN:  1521-3927     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9888239     Medline TA:  Macromol Rapid Commun     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Affiliation:
Institut für Physikalische Chemie, Georg-August-Universität Göttingen, Tammannstr. 6, D-37077 Göttingen, Germany.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Descriptor/Qualifier:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


Previous Document:  O-Linked Triazolotriazines: Potent and Selective c-Met Inhibitors.
Next Document:  Synthesis of End-capped Regioregular Poly(3-hexylthiophene)s via Direct Arylation.