Dipolar spirocyclic σ-complexes based on of 4,6-dinitrobenzofuroxan View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1997-08

AUTHORS

S. V. Kurbatov, Z. N. Budarina, G. S. Vaslyaeva, N. I. Borisenko, A. P. Knyazev, V. I. Minkin, Yu. A. Zhdanov, L. P. Olekhnovich

ABSTRACT

The first dipolar spiro-σ-complexes with a superelectrophilic dinintrobenzofuroxan fragment and tropolone systems with diastereotopic substituents were synthesized. The kinetics of their enantiotopomerization, which occursvia cleavage-formation of the Cspiro-heteroatom bond, was studied by dynamic1H NMR. The stereorigidity of dinitrobenzofuroxan spiro-complexes in this degenerated process increases in the series: tropolonelast posses the highest kinetic stability compared to all known zwitterionic spiro-complexes. More... »

PAGES

1445-1448

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02505683

DOI

http://dx.doi.org/10.1007/bf02505683

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1032645486


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