| 摘要 |
NEW MATERIAL:A compound shown by formula I [A is group shown by formula II - formula IV (R<1> is H, alkyl, phenyl, etc.; R<2> is alkyl; R<3> is H, alkyl etc.; R<4> and R<5> are H or methyl; n is 0 or 1; Y<1> and Y<2> are H or alkyl); R is H, alkyl or 1-alkoxycarbonylethyl; X is halogen]. EXAMPLE:1-Chloroacetyl-3-(3-trifluoromethyl-5-isoxazolyl)urea. USE:A medical antifungal agent or an agricultural fungicide. PREPARATION:An amine shown by the formula A-NHR is reacted with chloroacetyl isocyanate shown by the formula OCN-COCH2Cl in a solvent such as benzene, etc., at 50-130 deg.C to give a compound shown by formula I.
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