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Note added at 2002-02-28 16:08:13 (GMT)
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Here are some examples...

[PDF] No Job Name
Format de fichier: PDF/Adobe Acrobat - Version HTML
... to what extent further rearrangements of the resulting metal silyl derivative
may contribute to observed transformations. 1 Considerable speculation has ...
chemistry.caltech.edu/groups/peters/2a.pdf

CCCC 1996, Volume 61, Issue 3, Abstracts pp. 458-477 - [ Traduire cette page ]
... subsequent reaction with chloroacetic acid afforded 5-phenyl-2(1H)-pyrimidinone (3).
Its silyl derivative 4 was condensed with 1-O-acetyl-2,3,5-tri-O-benzoyl-D ...
cccc.uochb.cas.cz/Vol/61/No03/19960458.html

ODCCP - Bulletin on Narcotics - 1969 Issue 1 - 004 - [ Traduire cette page ]
... Lysergic acid diethylamide, 250, 280, 280, 14.6. Lysergic acid diethylamide
(as the trimethyl- silyl derivative), 245, 260, 280, 11.8. ...
www.undcp.org/bulletin/bulletin_1969-01-01_1_page005.html

[PDF] Pk0158 1485..1492
Format de fichier: PDF/Adobe Acrobat - Version HTML
... salts of this type, the reaction was regioselective with respect to the silyl derivative
15. Furthermore, the process was chemoselective with respect to 9 and ...
sunsite.wits.ac.za/iupac/publications/pac/1999/71_08_pdf/ 7108naso_1485.pdf

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Note added at 2002-02-28 16:16:28 (GMT)
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This is the difference between a compound and a derivative...

A compound is a substance with a constant composition that contains two or more elements.

A derivative is a substance formed from a primary compound by chemical reaction. Usually, derivatization of a molecule involves altering part of it slightly or adding a new part to the original compound.