英语词汇“semicarbazone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	semicarbazone
释义	semicarbazone Chem.\|sɛmɪˈkɑːbəzəʊn\| [f. prec. + -one.] Any of a class of (usu. crystalline) compounds of general formula RR′C:N·NH·CO·NH₂ which are prepared by the condensation of semicarbazide with carbonyl compounds, in order to characterize the parent carbonyl or to protect the carbonyl group in synthesis. 1896Jrnl. Chem. Soc. LXX. i. 343 Mesityl oxide semicarbazone melts at 156°.1938G. H. Richter Textbk. Org. Chem. vii. 102 The semicarbazones may be converted into hydrazones by the action of sodium ethylate.1973H. J. E. Loewenthal in J. F. W. McOmie Protective Groups in Org. Chem. ix. 340 In general, and in the steroid field in particular, ease of semicarbazone formation from different types of carbonyl groups follows the order observed with other protecting groups.
随便看	remskoen remuable remuage remuant remuda remue remuent remueur remuf remufe remugient remulant remuled remunaunde remunerable remunerate remuneration remunerative remunerator remuneratory remurmur remurmuration remuster remutation remutiny

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