L. Daley et al., A ONE-POT, EFFICIENT SYNTHESIS OF THE POTENT CYTOTOXIC PODOPHYLLOTOXIN DERIVATIVE NPF, Tetrahedron letters, 38(15), 1997, pp. 2673-2676
One-per syntheses of 4'-demethylepipodophyllotoxin 7 and NPF 2 (4'-O-d
emethyl-4 beta-(4''-fluoroanilino)-4-deoxypodophyllotoxin) are describ
ed from podophyllotoxin 3 via a protocol using trimethylsilyl iodide i
n 72% and 52% overall yields, respectively. (C) 1997 Published by Else
vier Science Ltd.