A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 31/415 (2006.01) C07D 231/12 (2006.01) C07D 301/00 (2006.01) A61P 35/00 (2006.01)
Patent
CA 2679878
The invention provides a composition comprising (S) 2-amino-1-(4-chloro-phenyl)- 1-[4-(1H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H-pyrazol-4-yl)- phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(1H- pyrazol-4-yl)-phenyl]-ethanol, novel process intermediates and methods for making the novel process intermediates.
L'invention concerne une composition qui contient (S) 2-amino-1-(4-chloro-phényl)- 1-[4-(1H-pyrazol-4-yl)-phényl]-éthanol, cette composition étant soit pratiquement exempte de (R) 2-amino-1-(4-chloro-phényl)-1-[4-(1H-pyrazol-4-yl)- phényl]-éthanol soit contient un mélange des énantiomères (S) et (R) où l'énantiomère (S) prédomine. De plus, l'invention concerne des procédés de préparation de (S) 2-amino-1-(4-chloro-phényl)-1-[4-(1H- pyrazol-4-yl)-phényl]-éthanol, de nouveaux intermédiaires de processus ainsi que des procédés de préparation de ces nouveaux intermédiaires de processus.
Frederickson Martyn
Grimshaw Kyla Merriom
Rees David Charles
Woodhead Steven John
Astex Therapeutics Limited
Cancer Research Technology Limited
Fetherstonhaugh & Co.
The Institute Of Cancer Research: Royal Cancer Hospital
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