| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention discloses methods of producing chirally pure substituted 4,5,6,7-tetrahydrobenzothiazole diamines such as, for example, (6R)-2-amino-4.5,6,7-tetrahydro-6-(propylamino)benzothiazole, and salts thereof, as well as purification of the predominant enantiomer of substituted 4,5,6,7-tetrahydrobenzothiazole diamines from enantiomer-rich mixtures of substituted 4,5,6,7-tetrahydrobenzothiazole diamines. ^ EFFECT: improved method of producing chirally pure substituted 4,5,6,7-tetrahydrobenzothiazole diamines. ^ 23 cl, 25 ex, 6 tbl, 7 dwg |
