Gas Chromatography (GC) (IUPAC Compendium of Chemical Terminology):
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Lecture 3. <strong>Gas</strong> chromathography.<br />
Derivatization reagents.<br />
Function method derivative recommended reagents<br />
Alcohols, silylation R'O tms BSA, MSTFA, MSHFBA,<br />
TSIM<br />
Phenols, R'OH acylation O TFAA, HFBA, MBTFA,<br />
R'O C R<br />
MBHFBA<br />
alkylation<br />
TMSH<br />
sterically hindered silylation R'O tms TSIM, BSTFA<br />
Amines<br />
primary, secondary<br />
silylation<br />
R'<br />
R'O R<br />
N tms<br />
R''<br />
BSA, MSTFA, MSHFBA<br />
R'<br />
N H R''<br />
acylation<br />
R'<br />
O<br />
N C<br />
R''<br />
R<br />
TFAA, HFBA, MBTFA,<br />
MBHFBA<br />
hydrochlorides silylation R' N tms MSTFA<br />
R''<br />
Amides silylation NOT STABLE<br />
O acylation<br />
O O<br />
R' C NH 2<br />
R' C N C<br />
H<br />
R<br />
TFAA, HFBA, MBTFA,<br />
MBHFBA<br />
Amino acids silylation H O BSA, BSTFA, MSTFA,<br />
R' C C tms MSHFBA<br />
H O<br />
N<br />
R' C C OH<br />
H<br />
tms<br />
NH 2<br />
alkylation (a)<br />
+ acylation (b)<br />
R'<br />
H O<br />
C C<br />
N<br />
H R<br />
OR<br />
a) MeOH/TMCS, TMSH<br />
b) TFAA, HFBA, MBTFA,<br />
MBHFBA<br />
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