2H-1,4-BENZOXAZIN-3(4H)-ONE, AN INTERMEDIATE IN THE BIOSYNTHESIS OF CYCLIC HYDROXAMIC ACIDS IN MAIZE

被引：16

作者：

KUMAR, P ^{[1
]}

MORELAND, DE ^{[1
]}

CHILTON, WS ^{[1
]}

机构：

[1] N CAROLINA STATE UNIV,DEPT BOT,RALEIGH,NC 27695

来源：

PHYTOCHEMISTRY | 1994年 / 36卷 / 04期

关键词：

ZEA MAYS; GRAMINEAE; CYCLIC HYDROXAMIC ACIDS; DIMBOA; DIBOA; 2H-1,4-BENZOXAZIN-3(4H)-ONE; BIOSYNTHESIS;

D O I：

10.1016/S0031-9422(00)90458-8

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：

2H-1,4-Benzoxazin-3(4H)-one has been identified as an intermediate in the biosynthesis of cyclic hydoxamic acids in maize by showing that the deuterium labelled compound is incorporated into DIMBOA with high retention of deuterium and high efficiency, by trapping radioactivity from [C-14] anthranilic acid in a pool of unlabelled benzoxazinone administered to maize shoots, and by showing that benzoxazinone is oxidized to DIBOA by maize microsomes in an NADPH- and oxygen-dependent reaction.

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收藏

页码：893 / 898

页数：6

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