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Cis-trans isomerization and stability of substituted poly(phenylacetylene)s: effect of the ring substituent
The spontaneous cis to trans isomerization and autooxidation of the series of ring-substituted poly(phenylacetylene)s was studied. The influence of the character and the position of substituents on these processes ...
CD - Makromolekulární chemie
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
Cis-trans isomeration and polymeration of sunflower oil at high temperature
Geometric isomeration of unsaturated fatty acids is accompanied by positional isomeration, especially conjugation of double bonds and polymerization. Processes are dependent on temperature and initial content of linoleic ac...
GM - Potravinářství
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
Is the Photoinduced Isomerization in Retinal Protonated Schiff Bases a Single- or Double-Torsional Process?
Nonadiabatic photodynamical simulations are presented for the all-trans and 5-cis isomers of the hepta-3,5,7- trieniminium cation (PSB4) to characterize the types of torsional modes occurring in the cis-trans i...
CF - Fyzikální chemie a teoretická chemie
- 2009 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Mutual interconnection of the cis-to-trans izomerization and autooxidative degradation of substituted polyvinylenes
Autooxidative degradation and cis-to-trans izomerization of series of ring-substituted polyphenylacetylenes have been studied, mutual interconnection of these two processes was confirmed......
CD - Makromolekulární chemie
- 2002 •
- D
Rok uplatnění
D - Stať ve sborníku
cis-trans Isomerization of silybins A and B
. Mechanisms for cis-trans-isomerization of silybin are proposed and supported by quantumMethods were developed and optimized for the preparation of the 2,3-cis- and the 10,11-cis-isomers of silybin by the...
CC - Organická chemie
- 2014 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
The cis/trans-isomerism on cobalt(III) complexes with 1,4,8,11-tetraazacyclotetradecane- 1,8-bis(methylphosphonic acid)
The X-ray structure determinations show that 1,4,8,11-tetraazacyclotetradecane-1,8-bis(methylphosphonic) acid H4L forms both cis- and trans-O,O isomeric complexes with Co(III). Orientation of the other donor atoms indicates...
CA - Anorganická chemie
- 2001 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Monitoring of peptide bond conformation in N-methylated peptides by RP-HPLC and NMR
Significant peak broadening was observed for some N-methylated peptides as a consequence of cis/trans isomerism of the peptide bond. Chromatographic behavior of the N-methylated peptides was compared with data obtained by N...
CE - Biochemie
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
SEC/DAD and 1H NMR Study of Molecular Weight and Configurational Stability of Poly(2,4-difluorophenylacetylene) and Polyphenylacetylene Prepared with Rh Catalyst
Newly prepared high-cis poly(2,4-difluorophenylacetylene) is found to undergo simultaneous cis-to-trans isomerization and degradation during aging in THF-d(8) solution distributionof isomerized and high-
CD - Makromolekulární chemie
- 2011 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Degradation and cis-to-trans isomerization of poly[(2,4-difluorophenyl)acetylene]s of various initial molecular weight: SEC, NMR, DLS and EPR study
simultaneous cis-to-trans isomerization and degradation under formation of a bimodal MW electrons and lower-MW deeply isomerized cis/trans macromolecules enrichedin the various degradation rates ...
CF - Fyzikální chemie a teoretická chemie
- 2013 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Degradation and cis-to-trans isomerization of Poly[(2,4-di?uorophenyl)acetylene]s of various initial molecular weight: SEC, NMR, DLS and EPR study
simultaneous cis-to-trans isomerization and degradation under formation of a bimodal MW electrons and lower-MW deeply isomerized cis/trans macromolecules enrichedin the various degradation rates ...
CF - Fyzikální chemie a teoretická chemie
- 2013 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
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