PHENALENONE-TYPE PHYTOALEXINS FROM MUSA-ACUMINATA SYNTHESIS OF 4-PHENYL-PHENALENONES

被引：55

作者：

LUIS, JG ^{[1
]}

FLETCHER, WQ ^{[1
]}

ECHEVERRI, F ^{[1
]}

GRILLO, TA ^{[1
]}

机构：

[1] UNIV ANTIOQUIA,MEDELLIN,COLOMBIA

来源：

TETRAHEDRON | 1994年 / 50卷 / 37期

关键词：

D O I：

10.1016/S0040-4020(01)85707-0

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Two new 4-phenyl-phenalenone-type phytoalexins (2, 3) have been isolated from rhizomes of Musa acuminata infected with the fungus Fusarium oxysporum. The structures of the new phytoalexins were elucidated on the basis of spectroscopic evidence, chemical correlation and synthesis from commercial phenalen-1-one. The chemical shift for all of the hydrogen and carbon atoms in the substances were unambiguously established by mono- and bidimensional, homo- and heteronuclear NMR experiments (H-1 NMR, C-13 NMR COSY, HMQC and HMBC). In preliminary ''in vitro'' assays, the new phytoalexins have shown inhibitory activity on the growth of the germinative tube of Fusarium oxysporum f. sp. cubense race 4.

引用

页码：10963 / 10970

页数：8

共 8 条

[1] STRUCTURE AND FUNCTION OF COMPLEX CARBOHYDRATES ACTIVE IN REGULATING PLANT-MICROBE INTERACTIONS [J].