鲢鳙饵料配方绝招专利名称：MANDELIC ACID DERIVATIVE AND
HERBICIDE
奶茶布丁发明人：SUMI KOICHIRO,KUSANO
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SHOJI,TOYOKAWA YASUBUMI,MIYAZAWA
TAKESHIGE,YOSHIDA RYO
申请号：JP13216788
伍佰申请日：19880530
公开号：JPH01301668A
心理学讲座
手机桌面图标不见了怎么恢复公开日：
人间处处有真情
19891205
专利内容由知识产权出版社提供
摘要：NEW MATERIAL:A mandelic acid shown by formula I (X is halogen or alkyl; R is H or alkyl; Y is O or S; A is halogen, alkoxy or alkoxy replaced with halogen atom; n is 0, 1 or 2). EXAMPLE:2-(4, 6-dimethoxypyrimidin-2-yloxy)-2-phenyl acetic acid. USE:Uful as herbicide showing excellently herbicidal effects on annual weeds and perennial weeds and high safety to crops, especially to ri plant and wheat and applicable to paddy fields, plowed fields and nonagricultural land, etc. PREPARATION:For example, as shown the reaction formula, a compound shown by formula II is reacted with a compound shown by formula III in the prence of a ba such as sodium metal or pyridine in a solvent such as benzene at room temperature-the boiling temperature of the solvent for 30 minutes-24 hours to give a compound shown by formula I.
申请人：KUMIAI CHEM IND CO LTD,IHARA CHEM IND CO LTD我和祖国共成长
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