New cytotoxic diterpenylnaphthohydroquinone derivatives obtained from a natural diterpenoid
摘要:
Diterpenylquinone/hydroquinone derivatives were prepared through Diels-Alder cycloaddition between natural myrcecommunic acid or its methyl ester and p-benzoquinone (p-BQ), using BF3 center dot Et2O as catalyst or under microwave (Mw) irradiation. Acetyl, methyl and benzyl derivatives of several diterpenyinaplithohydroquinone were prepared from cycloadducts following two basic synthetic strategies, either protection before aromatisation or viceversa. Some of them were further functionalised at the B-ring of the decaline core. Most of the new compounds were evaluated and some of them resulted cytotoxic against several tumour cell lines with IC50 values tinder the mu M level. (c) 2007 Elsevier Ltd. All rights reserved.
New cytotoxic diterpenylnaphthohydroquinone derivatives obtained from a natural diterpenoid
摘要:
Diterpenylquinone/hydroquinone derivatives were prepared through Diels-Alder cycloaddition between natural myrcecommunic acid or its methyl ester and p-benzoquinone (p-BQ), using BF3 center dot Et2O as catalyst or under microwave (Mw) irradiation. Acetyl, methyl and benzyl derivatives of several diterpenyinaplithohydroquinone were prepared from cycloadducts following two basic synthetic strategies, either protection before aromatisation or viceversa. Some of them were further functionalised at the B-ring of the decaline core. Most of the new compounds were evaluated and some of them resulted cytotoxic against several tumour cell lines with IC50 values tinder the mu M level. (c) 2007 Elsevier Ltd. All rights reserved.
New Selective Cytotoxic Diterpenylquinones and Diterpenylhydroquinones
作者:José M Miguel del Corral、Marina Gordaliza、M Angeles Castro、M Mar Mahiques、Pablo Chamorro、Aurora Molinari、M Dolores García-Grávalos、Howard B. Broughton、Arturo San Feliciano
DOI:10.1021/jm001048q
日期:2001.4.1
considered in relation to the cytotoxicity toward neoplastic cells and the selectivity of these diterpenylnaphthoquinones/hydroquinones and anthraquinones. Several compounds showed IC50 values under the micromolar level, and four of these derivatives were evaluated at the NCI screening panel. The results showed an important selectivity toward renal cancer lines, identifying these compounds as a very promising
New cytotoxic diterpenylnaphthohydroquinone derivatives obtained from a natural diterpenoid
作者:José M. Miguel del Corral、M. Angeles Castro、M. Lucena Rodrı´guez、Pablo Chamorro、Carmen Cuevas、Arturo San Feliciano
DOI:10.1016/j.bmc.2007.06.005
日期:2007.9.1
Diterpenylquinone/hydroquinone derivatives were prepared through Diels-Alder cycloaddition between natural myrcecommunic acid or its methyl ester and p-benzoquinone (p-BQ), using BF3 center dot Et2O as catalyst or under microwave (Mw) irradiation. Acetyl, methyl and benzyl derivatives of several diterpenyinaplithohydroquinone were prepared from cycloadducts following two basic synthetic strategies, either protection before aromatisation or viceversa. Some of them were further functionalised at the B-ring of the decaline core. Most of the new compounds were evaluated and some of them resulted cytotoxic against several tumour cell lines with IC50 values tinder the mu M level. (c) 2007 Elsevier Ltd. All rights reserved.