发明名称 ACETIC ACID DERIVATIVES AND PROCESSES FOR THEIR PRODUCTION
摘要 <p>Process for preparing pyrimidinyl acetic acid derivatives which comprises treating a guanidine of the formula: NH2-C=NH ¦ R or a salt thereof, with citric acid in a strongly acidic medium, wherein R is an amino, hydrocarbylamino or dihydrocarbylamino radical, said hydrocarbyl-amino and dihydrocarbylamino radicals being unsubstituted, or substituted in the hydrocarbyl moiety with atoms or radicals which do not interfere with the process.</p>
申请公布号 CA1023361(A) 申请公布日期 1977.12.27
申请号 CA19740189646 申请日期 1974.01.08
申请人 IMPERIAL CHEMICAL INDUSTRIES LIMITED 发明人 PARRY, DAVID R.
分类号 C07D239/47;A01N43/54;B01J27/00;C07B61/00;C07D239/46;C07F9/6512;(IPC1-7):07D51/42 主分类号 C07D239/47
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