| 单词 | pyrrole nucleus |
| 释义 | > as lemmaspyrrole nucleus pyrrole nucleus n. = pyrrole ring n. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [noun] > heterocyclic compounds > containing nitrogen > pyrrole > pyrrole ring pyrrole nucleus1889 pyrrole ring1903 1889 Proc. Royal Soc. 46 214 The isomerides in which the substitution occurs in the pyrrole nucleus of indole. 1913 A. G. Bloxam & S. J. Lewis Bloxam's Chem. (ed. 10) 782 The metals are not present as bases, but as integral parts of the complex molecules, probably exercising their subsidiary valencies, and uniting a number of pyrrol nuclei. 1992 Jrnl. Org. Chem. 57 4452 The significant role of the pyrrole nucleus in conducting the intramolecular general base catalysis in the amine oxidation is discussed. < as lemmas |
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