Salicylic acid derivative and its use as intermediate for...

C - Chemistry – Metallurgy – 07 – C

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C07C 65/105 (2006.01) C07C 65/24 (2006.01) C07C 69/94 (2006.01) C07C 205/60 (2006.01) C07C 255/57 (2006.01) C07C 323/62 (2006.01) C07D 213/55 (2006.01) C07D 215/14 (2006.01) C07D 231/12 (2006.01) C07D 231/16 (2006.01) C07D 233/58 (2006.01) C07D 233/94 (2006.01) C07D 249/08 (2006.01) C07D 261/06 (2006.01) C07D 277/30 (2006.01) C07D 333/24 (2006.01) C07D 333/28 (2006.01)

Patent

CA 2314121

Salicylic acid derivative of the formula II' (see formula I) where A is an unsubstituted or substituted phenyl radical, an unsubstituted 5-member heteroaromatic radical having from 2 to 4 nitrogen atoms or one or two nitrogen atoms and additionally one sulfur or oxygen atom or an unsubstituted or substituted thienyl, pyridyl, naphthyl, quinolyl, indaxolyl or benzotriazolyl radical, and the radicals R4 and R5 have the meanings given in the specification, and its use as intermediate for the preparation of salicyladehyde derivatives.

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