1488575 Sulphonamido-substituted benzofuranyl esters BASF AG 17 Jan 1975 [18 Jan 1974] 2067/75 Heading C2C Novel substituted benzofuranyl esters of the general formula where RSP1/SP is hydrogen, unsubstituted or halogen- or alkoxy-substituted alkyl, alkenyl or alkynyl, or RSP2/SP is unsubstituted or halogen- or alkoxysubstituted alkenyl or alkynyl, alkylsulphonyl, substituted or unsubstituted sulphamoyl or one equivalent of a metallic cation or of a cation of a non-metallic inorganic or organic base, RSP3/SP is hydrogen, unsubstituted or halogen- or alkoxy-substituted alkyl, alkenyl or alkynyl, or and RSP4/SP is unsubstituted or halogen-, alkoxy- or alkylthio-substituted alkyl, alkenyl or alkynyl, or denotes alkylamino, dialkylamino or unsubstituted or halogen-substituted alkoxy, are prepared by reacting a benzofuran-5-yl aminosulphonate of the formula with a compound of the formula wherein X is halogen or a radical of the formula The novel compounds possess herbicidal properties.
展开▼
