C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 255/00 (2006.01) C07C 41/00 (2006.01) C07C 69/76 (2006.01) C07C 235/00 (2006.01) C07C 253/30 (2006.01) C07D 303/38 (2006.01) C07D 303/48 (2006.01) C07C 255/46 (2006.01)
Patent
CA 2381010
This invention relates to a method for preparing certain acids of formula (I) via a chloroepoxy ester, which are useful as phosphodiesterase 4 inhibitors.
La présente invention concerne un procédé visant à l'élaboration de certains acides représentés par la formule (I). Selon ce procédé, on utilise en intermédiaire un ester chloroépoxy. Ces acides conviennent comme inhibiteurs de phosphodiestérase 4.
Diederich Ann M.
Novak Vance J.
Gowling Lafleur Henderson Llp
Smithkline Beecham Corporation
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