SOIL TRANSFORMATION OF 2(3H)-BENZOXAZOLONE OF RYE INTO PHYTOTOXIC 2-AMINO-3H-PHENOXAZIN-3-ONE

被引：69

作者：

GAGLIARDO, RW ^{[1
]}

CHILTON, WS ^{[1
]}

机构：

[1] N CAROLINA STATE UNIV,DEPT BOT,BOX 7612,RALEIGH,NC 27695

来源：

JOURNAL OF CHEMICAL ECOLOGY | 1992年 / 18卷 / 10期

关键词：

2-AMINO-3H-PHENOXAZIN-3-ONE; 2(3H)-BENZOXAZOLONE; BOA; ORTHO-AMINOPHENOL; RYE; SECALE-CEREALE; SOIL TRANSFORMATION; PHYTOTOXICITY; ALLELOPATHY; BARNYARD GRASS; ECHINOCLOA-CRUS-GALLI;

D O I：

10.1007/BF02751095

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：

Nonsterile soil transforms the rye metabolite 2(3H)-benzoxazolone (BOA) into 2-amino-3H-phenoxazin-3-one, which is an order of magnitude more toxic to barnyard grass than benzoxazolone. Benzoxazolone was recovered unchanged from sterile soil. However, o-aminophenol is converted to aminophenoxazinone by both sterile and nonsterile soil in the presence of air. Aminophenoxazinone is probably produced by microbial hydrolysis of benzoxazolone into o-aminophenol, which is oxidized to aminophenoxazinone in both sterile and nonsterile soil. No 2,2'-oxo-1,1'-azobenzene was found in any incubations of soil with benzoxazolone, o-aminophenol, or o-azophenol.

引用

页码：1683 / 1691

页数：9

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