Construction of Arrays of Stereogenic Centers: The Zhang Synthesis of (+)-Podophyllotoxin
Varinder K. Aggarwal of the University of Bristol showed(Angew. Chem. Int. Ed. 2009, 48, 1149.DOI: 10.1002/anie.200805272)that condensation of a boronic ester 2 with a metalatedaziridine 1 led, after oxidation, to…