Tetrahedron p. 4983 - 4990 (1986)
Update date:2022-08-02
Topics:
Barton, Derek H. R.
Bridon, Dominique
Herve, Yolande
Potier, Pierre
Thierry, Josiane
Zard, Samir Z.
L-Selenomethionine and L-selenocystine were prepared in high overall yields from protected L-glutamic and L-aspartic acid derivatives respectively.Irradiation of the mixed anhydrides (esters) derived from 4 (e.g. 15) in the presence of dimethyldiselenide provided the protected L-selenomethionine 16 directly.We have shown that triselenocyanide Se3(CN)2 can serve as an efficient selenocyanating agent for radicals; the selenocyanide group is a good precursor for the diselenide moiety of L-selenocystine.
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