Answers are grounded in this paper and cite their sources.
(±)-19-Ethoxycarbonyl-19-demethylapovincamine has been prepared by the oxidative rearrangement of (±)-19-ethoxycarbonyl-19-demethylvincadifformine. An attempt to prepare strem-peliopine by the reductive rearrangement of 19-ethoxycarbonyl-19-demethyl-1,2-dehydroaspidospermidine, obtained from the same starting material, was unsuccessful.
No takes yet. Share an insight, caveat, or question.
Belattar et al. (1992) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: