| 摘要 |
1,187,800. 5-(Chlorocarbonylphenyl)-4,6-dichloropyrimidine. CIBA Ltd. 7 Sept., 1967 [7 Sept., 1966], No. 41009/67. Heading C2C. [Also in Division C4] 5 - (Chlorocarbonylphenyl) - 4,6 - dichloropyrimidine is obtained by halogenating 5-(carboxyphenyl) - 4,6 - dichloropyrimidine with for example thionyl chloride, phosphorus oxychloride or phosphorus pentachloride. |
