✦ LIBER ✦

Synthesis and fungicidal activity of N -( p -sulfonylphenyl)- N 1 -carbamoylureas

✍ Scribed by Cremlyn, Richard J.; Ellam, Richard M.; Farouk, Sultan

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 216 KB
Volume: 52
Category: Article
ISSN: 1526-498X
DOI: 10.1002/(sici)1096-9063(199801)52:1<70::aid-ps668>3.0.co;2-f

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✦ Synopsis

A series of 11 N-(p-sulfonylphenyl)-N1-carbamoylureas was prepared by reaction of 1,6-diphenyl-2,4-dioxohexahydro-s-triazine with chlorosulfonic acid and thionyl chloride. The resultant N-(p-chlorosulfonylphenyl)-N1-carbamoylurea was subsequently condensed with amines, butanol, hydrazine and sodium azide. The hydrazide was reacted with carbonyl compounds and the azide with trimethyl phosphite. The products were tested for in-vivo fungicidal activity against barley powdery mildew (Erysiphe graminis) ; the acetone hydrazone derivative showed the highest activity.

1998 SCI.

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