Beilstein J. Org. Chem.2022,18, 1642–1648, doi:10.3762/bjoc.18.176
structural component of the pyrrolizidine alkaloid monocrotaline.
Keywords: β-hydroxylactone; intramolecular reductive aldol cyclization; necic acid lactone; rhodium catalyst; Introduction
Carbon–carbon bond-forming reactions are among the most important reactions in the synthetic chemistry toolbox and the