C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 277/82 (2006.01) C07B 57/00 (2006.01)
Patent
CA 2681110
Methods for preparing chirally purified substituted 4,5,6,7-tetrahydro-benzotiazole diamines such as, for example, (6R)2-amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole and purifying a dominant enantiomer of substituted 4,5,6,7-tetrahydro-benzotiazole diamines from entantiomerically enriched mixtures of substituted 4,5,6,7-tetrahydro-benzotiazole diamines are provided herein.
L'invention concerne des procédés de préparation de 4,5,6,7-tétrahydro-benzothiazole diamines substituées et purifiées du point de vue chiral telles que, par exemple, le (6R)2-amino-4,5,6,7-tétrahydro-6-(propylamino)benzothiazole et de purification d'un énantiomère dominant de 4,5,6,7-tétrahydro-benzothiazole diamines substituées à partir de mélanges énantiomériquement enrichis de 4,5,6,7-tétrahydro-benzothiazole diamines substituées.
Chen Jian-Xie
Gadikota Rajendrakumar Reddy
Lapina Olga
Mccall John M.
Raje Prasad
Borden Ladner Gervais Llp
Knopp Neurosciences Inc.
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