| 单词 | ring-opening |
| 释义 | > as lemmasring-opening ring-opening n. and adj. ΚΠ 1907 Jrnl. Physical Chem. 11 119 It is of great interest to trace the intermediate steps of the reaction..to elucidate some theory—as that of ring opening in the oxidation of cyclic compound [sic]. 1959 A. Albert Heterocyclic Chem. vii. 269 Dehydracetic acid undergoes ring-opening to aceto-acetylacetone-3-carboxylic acid. 1967 D. Margerison & G. C. East Introd. Polymer Chem. v. 261 Other ring-opening polymerizations in this class include the conversion of caprolactam to nylon 6. 2002 Jrnl. Org. Chem. 67 4680 Phenyl- and vinyl-derived organometallics are not efficient nucleophiles for the ring-opening reactions. < as lemmas |
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