| 单词 | pyrimidine ring |
| 释义 | > as lemmaspyrimidine ring C1. General attributive, as pyrimidine derivative, pyrimidine ring, etc. ΚΠ 1898 Amer. Chem. Jrnl. 20 481 (title) Researches on the cycloamidines: pyrimidine derivatives. 1954 New Biol. 16 15 Nucleic acids appear to consist of alternate purine and pyrimidine nucleotides arranged in a chain. 1961 Experientia 17 64/1 6-Azacytidine has been found to be an antimetabolite of the pyrimidine components of the nucleic acids. 1995 Chem. in Brit. June 468/2 If we replaced one or more of the benzene rings with a heterocycle, such as a pyridine or pyrimidine ring, the resulting compound should be less lipophilic. < as lemmas |
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