Dp. Delima et al., NEW NITROGEN DERIVATIVES OF PODOPHYLLOTOXIN AND A NOVEL ACCESS TO DEHYDROANHYDROPICROPODOPHYLLIN, Synthetic communications, 24(18), 1994, pp. 2675-2683
The new compounds podophyllotoxone oxime (3) and epipodophyllotoxin az
ide (5) were prepared. The known dehydroanhydropicropodophyllin (6) wa
s unexpectedly obtained from podophyllotoxin (1) by treatment with TMS
C1/NaI/MeCN.