Chemistry Letters p. 1445 - 1448 (1983)
Update date:2022-08-04
Topics:
Takahashi, Seitaro
Kokubo, Masayuki
Satake, Kazuo
The 2,4-dinitrophenylation of thiol or amino group with 1,2,4-trinitrobenzene proceeded quantitatively at pH 8.5 and 30 deg C.The rate of S-dinitrophenylation was ca. 1E4 times faster than that of N-dinitrophenylation.So this reaction can be used for both the determination of thiol even in the presence of large excess amine and the specific modification of thiol in proteins.
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