Enantiomers of 2,2'-Spirobichromenes: Energy Barrier for Thermal Racemization during HPLC on Tribenzoylcellulose

Authors

  • Barbara Stephan
  • Herbert Zinner
  • Fritz Kastner
  • Albrecht Mannschreck

DOI:

https://doi.org/10.2533/chimia.1990.336

Abstract

As a first case in the field of spirochromenes, the energy barrier for thermally reversible ring opening of 2,2'-spirobichromenes (Scheme) is measured by racemization of preparatively enriched enantiomers. In addition, this barrier is estimated via racemization during HPLC (Fig.) on tribenzoylcellulose without preparative enrichment. The significance of the latter procedure is discussed.

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Published

1990-10-31

Issue

Vol. 44 No. 10 (1990): Polymer Surfaces and Interfaces

Section

Scientific Articles

License

Copyright (c) 1990 Swiss Chemical Society

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

How to Cite

[1]
B. Stephan, H. Zinner, F. Kastner, A. Mannschreck, Chimia 1990, 44, 336, DOI: 10.2533/chimia.1990.336.