TRITIUM TRANSFER DURING BIOSYNTHESIS OF CADALENE STRESS COMPOUNDS IN COTTON

被引：6

作者：

DAVIS, GD ^{[1
]}

EISENBRAUN, EJ ^{[1
]}

ESSENBERG, M ^{[1
]}

机构：

[1] OKLAHOMA STATE UNIV,DEPT CHEM,STILLWATER,OK 74078

来源：

PHYTOCHEMISTRY | 1991年 / 30卷 / 01期

关键词：

GOSSYPIUM-HIRSUTUM; MALVACEAE; UPLAND COTTON; BIOSYNTHESIS; SESQUITERPENES; PHYTOALEXINS; 2,7-DIHYDROXYCADALENE; 2-HYDROXY-7-METHOXYCADALENE;

D O I：

10.1016/0031-9422(91)84123-A

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Chemical degradation of 2,7-dihydroxycadalene and 2-hydroxy-7-methoxycadalene biosynthesized in cotton cotyledons from a mixture of ]2-C-14[mevalonolactone and ]5-H-3[mevalonolactone has revealed that formation of each of these cadalene sesquiterpenoids involves a hydrogen transfer to the methine carbon of the isopropyl side chain. The transfer may occur as a 1,3-hydride shift following cyclization of the farnesyl precursor to a 10-membered ring cation.

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页码：197 / 199

页数：3

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