| 摘要 |
NEW MATERIAL:An N-phenylsulfonylnicotinic acid amide derivative shown by formula I (X is H, hlaogen or methylthio; Y is H, halogen, methyl, methoxy, trifluoromethyl or methylthio; n is 1-3 with the proviso that a compound wherein X is H, Y are methyl group and halogen atom and n is 1 is omitted). EXAMPLE:N-(4-Methylphenylsulfonyl)-2-chloronicotinic acid amide. USE:Useful as an agricultural and horticultural fungicide in paddy fields, plowed fields, orchards, etc. PREPARATION:A benzenesulfonamide compound shown by formula II is reacted with nicotinic acid chloride hydrochloride shown by formula III optionally in the presence of a deoxidizer in a solvent preferably at 80 deg.C-120 deg.C to give a compound shown by formula I.
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