This is the authors' abstract. We don't add key points for this paper.
The regioselective synthesis of C4-unsubstituted 2-oxa-3-azabicyclo[3.1.1]heptanes was achieved by amine-promoted formal dipolar [4π + 2σ] cycloaddition of bicyclo[1.1.0]butanes with hydroxylamines and polyformaldehyde.
Answers are grounded in this paper and cite their sources.
No takes yet. Share an insight, caveat, or question.
Zhu et al. (2025) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: