Monatshefte fur Chemie p. 65 - 72 (1989)
Update date:2022-08-05
Topics:
Stanetty, Peter
Puschautz, Erhard
In search of novel biological active thiophene derivatives we recently focused our interest on thienylureas.The present paper deals with substances being in close relation to second generation urea herbicides (C).The main part describes syntheses leading to thiophene carboxylic acids with corresponding substitution patterns.A modified Curtius degradation was used as key step for the formation of the thienylureas. - Keywords: Curtius degradation; Herbicides; Thiophenes; Ureas
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(1989)
