## Abstract The reversible __cis__/__trans__ photoisomerization of secondary thiopeptide bonds has been systematically studied with UV‐visible absorption, capillary electrophoresis, ^1^H NMR spectroscopy, and circular dichroism methods. It was found that the concentration of the __cis__ conformers
Cis ⇌ trans photoisomerization of thioindigoid dyes
✍ Scribed by C.P. Klages; K. Kobs; R. Memming
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 339 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Unirnolecular dissociation of Arz into Ari was investigated with a double focusing sector field mass spectrometer. Ar; was produced by electron impact ionization of Ar3 formed by nozzle expansion. It was found that the m&stable dissociation rate is strongly dependent on the sragnation gas temperature.
📜 SIMILAR VOLUMES
Usmg nummal baus sets, the ~omc and dua&cal evmted states of the twisted styrcnc n~olccule have been calculated through extended Cl, after appropriate XT procedures The lowest ekclted state IS a duadlcal, and the photolsomerlzatlon should not involve the ,OIUC state.