silyln.
/ˈsʌɪlʌɪl//ˈsʌɪlɪl/ Chemistry.
The univalent group or radical SiH3; any substituted derivative of this, esp. one in which alkyl groups replace the hydrogen atoms. Usually attributive.
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the world > matter > chemistry > elements and compounds > metals > specific elements > silicon > [noun] > radicals
silyl1916
1916 Jrnl. Chem. Soc. 110 ii. 319 The radicles ·SiH3, ·Si2H5, and ·Si2H3 would be respectively designated silyl, disilyl, and disilenyl.
1939 Jrnl. Chem. Soc. 105 ii. 1030 Some of the other possible reactions of the silyl radicals are more favoured than that with ethylene.
1970 Nature 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.
Derivatives
ˈsilylate v. (transitive) to subject to silylation.
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the world > matter > chemistry > chemical reactions or processes > subject to chemical reactions or processes [verb (transitive)] > subject to named chemical reaction or process > subject to silylation
silylate1969
1969 Kirk-Othmer Encycl. Chem. Technol. (ed. 2) XVIII. 262 A method of silylating biologically active compounds.
1978 Experientia XXXIV. 1380/1 The material..was silylated with 200μl of trimethylsilylimidazole at 65°C for 12–15h.
ˈsilylated adj.
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the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of or relating to silylation
silylated1966
the world > matter > chemistry > elements and compounds > metals > specific elements > silicon > [adjective] > radicals
silylated1966
1966 Jrnl. Amer. Chem. Soc. 88 3391/1 The vapor pressure of the silylated product.
ˈsilylating n.
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the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > silylation > action of
silylating1938
1938 Nature 3 Dec. 997/1 Trimethylsilylammonium chloride is a convenient silylating agent.
1966 Jrnl. Amer. Chem. Soc. 88 3390/1 Bis(trimethylsilyl)acetamide..is a silylating agent superior, in many respects, to the presently used methods.
silyˈlation n. a reaction or process in which a substance is converted into a form having silyl substituents.
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the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > silylation
silylation1949
1949 Chem. Abstr. Subject Index 1937–46 8856/2 Silylation.
1966 Jrnl. Amer. Chem. Soc. 88 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.
1972 Science 12 May 683/3 Silylation was effected in pyridine with a mixture of hexamethyldisilazane and trimethylchlorosilane.
This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018).
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n.1916