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Date
2010-10-01Type
- Journal Article
ETH Bibliography
yes
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Abstract
Cysteamine reduces selenocystamine to form hemiselenocystamine and then cystamine. The rate constants are k1 = 1.3 × 105 M−1 s−1; k−1 = 2.6 × 107 M−1 s−1; k2 = 11 M−1 s−1; and k−2 = 1.4 × 103 M−1 s−1, respectively. Rate constants for reactions of cysteine/selenocystine are similar. Reaction rates of selenium as a nucleophile and as an electrophile are 2−3 and 4 orders of magnitude higher, respectively, than those of sulfur. Sulfides and selenides are comparable as leaving groups. Show more
Publication status
publishedExternal links
Journal / series
The Journal of Organic ChemistryVolume
Pages / Article No.
Publisher
American Chemical SocietyOrganisational unit
02513 - Laboratorium für Anorganische Chemie / Laboratory of Inorganic Chemistry03424 - Koppenol, Willem H.
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ETH Bibliography
yes
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