C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/289, 260/289
C07D 215/26 (2006.01) C07D 207/48 (2006.01) C07D 215/60 (2006.01)
Patent
CA 1259074
Abstract: The present invention is directed to compounds of the formula: Image (I) wherein YO is a protected hydroxy group and a process for preparing the same. These compounds are intermediates useful in the preparation of carbostyril derivatives which show potent bronchodilating activity and are useful as bronchodilators.
562864
Ikezawa Katsuo
Iwakuma Takeo
Takaiti Osasi
Tsunashima Akira
Kirby Eades Gale Baker
Tanabe Seiyaku Co. Ltd.
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