发明名称 ACETIC ACID DERIVATIVES AND PROCESSES FOR THEIR PRODUCTION
摘要 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.
申请公布号 ZA7309745(B) 申请公布日期 1974.11.27
申请号 ZA19730009745 申请日期 1973.12.28
申请人 IMPERIAL CHEM IND LTD 发明人 PARRY D
分类号 C07D239/47;A01N43/54;B01J27/00;C07B61/00;C07D239/46;C07F9/6512 主分类号 C07D239/47
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