An improved process for the preparation of armodafinil

C - Chemistry – Metallurgy – 07 – B

Patent

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Details

C07B 57/00 (2006.01) A61K 31/192 (2006.01) A61P 25/00 (2006.01) C07C 315/06 (2006.01) C07C 317/44 (2006.01) C07C 319/24 (2006.01) C07C 321/20 (2006.01)

Patent

CA 2634133

The invention encompasses processes for preparing intermediates, such as R- modafinic acid or (R)-C1-2 alkyl ester, of modafinic acid, and the conversion of the intermediates to armodafinil.

La présente invention concerne des procédés pour la préparation d'intermédiaires, tels que l'acide R-modafinique ou le (R) ester alkylique en C<SUB>1-2 </SUB>de l'acide modafinique, ainsi que la conversion desdits intermédiaires en armodafinil.

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