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

单词

silyl

释义

silyl Chem.|ˈsaɪlaɪl, -lɪl|
[f. silane + -yl.]
The univalent group or radical {b1}SiH₃; any substituted derivative of this, esp. one in which alkyl groups replace the hydrogen atoms. Usu. attrib.
1916Jrnl. Chem. Soc. CX. ii. 319 The radicles ·SiH₃, ·Si₂H₅, and ·Si₂H₃ would be respectively designated silyl, disilyl, and disilenyl.1939Ibid. 1030 Some of the other possible reactions of the silyl radicals are more favoured than that with ethylene.1970Nature 25 July 335/2 The preparation of silylated ylides of phosphorus, arsenic and sulphur, in which the silyl group is both a stabilizing and an efficient leaving group.
Hence silyˈlation, a reaction or process in which a substance is converted into a form having silyl substituents; also ˈsilylate v. trans., to subject to silylation; ˈsilylated ppl. a.; ˈsilylating vbl. n.
1938Nature 3 Dec. 997/1 Trimethylsilylammonium chloride is a convenient silylating agent.1949Chem. Abstr. Subject Index 1937–1946 8856/2 Silylation.1966Jrnl. Amer. Chem. Soc. LXXXVIII. 3390/1 Bis(trimethylsilyl)acetamide..is a silylating agent superior, in many respects, to the presently used methods.Ibid. 3390/2 Silylations of ‘good’ acceptors—alcohols, amines, carboxylic acids—can be carried out with monosilylamides since the rapidly established equilibria lie far on the product side.Ibid. 3391/1 The vapor pressure of the silylated product.1969Kirk-Othmer Encycl. Chem. Technol. (ed. 2) XVIII. 262 A method of silylating biologically active compounds.1972Science 12 May 683/3 Silylation was effected in pyridine with a mixture of hexamethyldisilazane and trimethylchlorosilane.1978Experientia XXXIV. 1380/1 The material..was silylated with 200µl of trimethylsilylimidazole at 65°C for 12–15h.

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