Answers are grounded in this paper and cite their sources.
The effects of temperature, pH and solvent polarity on the rate of isomerization and the equilibrium composition of the tetracyclic spiro oxindole alkaloids rhynchophylline, isorhynchophylline, corynoxeine and isocorynoxeine have been investigated.
No takes yet. Share an insight, caveat, or question.
Gerhard Laus (1998) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: