| 单词 | isoprene rule |
| 释义 | > as lemmasisoprene rule isoprene rule n. the rule that the carbon skeleton of a terpene is made up of isoprene units linked together. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [noun] > isoprenes > isoprene rule isoprene rule1931 1931 J. L. Simonsen Terpenes I. p. xii An apparent exception to the ‘isoprene rule’, the hydrocarbon, sylvestrene, has been shown not to be a plant product. 1971 J. D. Roberts et al. Org. Chem. xxix. 779 The empirical isoprene rule resulted from Ruzicka's observation that the majority of the terpene families could be considered as arising from head-to-tail combinations of isoprene units. < as lemmas |
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