78339-51-2Relevant academic research and scientific papers
Synthesis of podophyllotoxin analogues: δ-lactone-containing picropodophyllin, podophyllotoxin and 4′-demethyl-epipodophyllotoxin derivatives
Meresse, Philippe,Monneret, Claude,Bertounesque, Emmanuel
, p. 2657 - 2671 (2007/10/03)
Non-epimerizable cis and trans δ-lactone analogues of podophyllotoxin have been prepared. Thus the synthesis of the cis isomer 4 has been achieved in 8 steps and 4% overall yield from podophyllotoxin 1 via the reduction of the γ lactone ring into the tran
Cytotoxic cyclolignans related to podophyllotoxin
Gordaliza, Marina,Miguel Del Corral, Jose M.,Angeles Castro,Garcia-Garcia, Pablo A.,San Feliciano, Arturo
, p. 297 - 304 (2007/10/03)
The cyclolignan family of natural products includes compounds with important antineoplastic and antiviral properties such as podophyllotoxin and two of their semisynthetic derivatives, etoposide and teniposide. The latter are included in a wide variety of
Synthesis of (-)-4-aza-4-deoxypodophyllotoxin from (-)-podophyllotoxin
Hitotsuyanagi, Yukio,Kobayashi, Masatsugu,Morita, Hiroyuki,Itokawa, Hideji,Takeya, Koichi
, p. 9107 - 9110 (2007/10/03)
(-)-4-Aza-4-deoxypodophyllotoxin (4) was synthesized from (-)-podophyllotoxin (1) through C-ring cleavage, Curtius rearrangement and intramolecular N-alkylation. Analogue 4 showed potent cytotoxicity against P388 leukemia cells.
Carbon-13 NMR Chemical Shifts of some Podophyllum Lignans and Analogues
Mitra, Jayati,Mitra, Alok Kumar
, p. 692 - 694 (2007/10/03)
Carbon-13 nmr chemical shifts of a number of podophyllum lignans, podophyllotoxin, 4′-demethylpodophyllotoxin, podophyllotoxone, desoxypodophyllotoxin and their derivatives have been determined. The derivatives include 1-naphthol, quinone, diol and tetrahydrofuran compounds.
LIGNANS FROM POLAR EXTRACTS OF JUNIPERUS THURIFERA
Feliciano, Arturo San,Corral, Jose M. Miguel del,Lopez, Jose L.,Pascual-Teresa, Beatriz de
, p. 267 - 270 (2007/10/02)
Three new natural lignans, methyl deoxypodophyllotoxinate, podophyllotoxinic acid and 7β-hydroxydihydrosesamin, 11 known lignans and two cinnamyl alcohols were isolated and identified from a chloroform extract of Juniperus thurifera leaves.Assignment of the (13)C NMR spectrum of β-methyl peltatin B was also performed through direct and long-range heteronuclear 2D NMR analysis, amending previous assignments. Key Word Index - Juniperus thurifera; Cupressaceae; methyl deoxypodophyllotoxinate; podophyllotoxinic acid; 7β-hydroxydihydrosesamin; lignans.
