CHEMICAL CONSTITUTION AND ACTIVITY OF BIPYRIDYLIUM HERBICIDES .4. DIQUATERNARY SALTS OF METHYL SUBSTITUTED 1,10-PHENANTHROLINES

被引：22
作者：
DICKESON, JE
SUMMERS, LA
机构：
[1] The University of Newcastle, New South Wales
来源：
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE | 1969年 / 20卷 / 02期
关键词：
D O I：
10.1002/jsfa.2740200203
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
Eight bridged diquaternary salts of methyl substituted 1,10‐phenanthrolines have been prepared. They are reduced in aqueous solution to radical cations at about the same potential as diquat by a one electron transfer which is largely reversed by air. in herbicidal tests they showed slight activity at a rate equivalent to 8 lb/acre. Their relatively poor phytotoxic properties are considered to be due to their large size which hinders their reaching the site of biological action of the bipyridylium herbicides. Copyright © 1969 John Wiley & Sons, Ltd
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页码：74 / &
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