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Synthesis and structure-activity relationships for anticipated molluscicidal activity of some 2-amino-5-substituted pyridine derivatives

✍ Scribed by El-Zemity, Saad R; Radwan, Mohamed A

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 111 KB
Volume: 55
Category: Article
ISSN: 1526-498X
DOI: 10.1002/(sici)1096-9063(199912)55:12<1203::aid-ps82>3.0.co;2-9

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✦ Synopsis

A series of 2-amino-5-substituted pyridine derivatives was synthesized and their molluscicidal activity against white garden, Theba pisana (Mu È ller), and brown garden, Helix aspersa (Mu È ller), snails was investigated by two methods of application. Some of these compounds showed strong activity under laboratory conditions against the two types of snail. T pisana was more sensitive to the tested compounds than H aspersa. The most effective compounds were 2-amino-5-(benzotriazole-1-ylmethyl)-3-methylpyridine, 2-amino-5-[1-(benzotriazole-1-yl)nonyl]-3-methylpyridine and 2-[(1,2,4-triazole-1-ylmethyl)amino]-3-methylpyridine which exhibited high molluscicidal activity. The toxicity results are discussed in relation to the chemical structures.

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