EP0979820B1 — 2-Phenylpyridine derivatives and production method thereof
Assigned to Sumitomo Chemical Co Ltd · Expires 2003-05-07 · 23y expired
What this patent protects
A series of compounds capable of deriving an intermediate for the production of a compound (A) of the following formula, <CHEM> which is an anti-HIV drug, and a production method thereof. To be specific, 4-(pyridin-2-yl)benzaldehyde hydrazone, a production method of this co…
USPTO Abstract
A series of compounds capable of deriving an intermediate for the production of a compound (A) of the following formula, <CHEM> which is an anti-HIV drug, and a production method thereof. To be specific, 4-(pyridin-2-yl)benzaldehyde hydrazone, a production method of this compound, and a production method from this compound to N-(tert-butoxycarbonyl)-N'-Ä4-(pyridin-2-yl)phenylmethylideneÜhydrazine. In addition, a salt of 2-(4-bromomethylphenyl)pyridine, 2-(4-dibromomethylphenyl)pyridine and a salt thereof, production methods of these compounds, and production methods to derive 4-(pyridin-2-yl)benzaldehyde which is a production intermediate for 4-(pyridin-2-yl)benzaldehyde hydrazone from these compounds.
Drugs covered by this patent
- Zelboraf (vemurafenib) · Hoffmann La Roche
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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