Regioselective direct C–H arylations of protected uracils. Synthesis of 5-and 6-aryluracil bases

M Čerňová, I Cerna, R Pohl…

Index: Zimmerman, Michael N.; Nemeroff, Norman H.; Bock, Charles W.; Bhat, Krishna L. Heterocycles, 2000 , vol. 53, # 1 p. 205 - 211

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Citation Number: 31

Abstract

... 7) have repeatedly shown that they are complementary and could be used for multiple substitutions of diverse heterocycles. ... we have prepared (by literature procedures) a set of protected uracils 2–8 bearing diverse N-protecting groups ... g BBr 3 , m-xylene, reflux, 140 °C, 19 h. ...