3-phenylthiomethylstyrene derivative, process for preparing the same,and antiallergic agent and tyrosinekinase inhibiting agent containing the same
CA 1280425 C · Owner: Watanabe, Kiyoshi · Inventors: Kameyama, Keiji; Shiraishi, Tadayoshi; Imai, Naohiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A 3-phenylthiomethylstyrene derivative having the general formula (1):, (1), or salt thereof with a base when X is hydroxyl group, R1 is hydrogen atom or R2 is hydrogen atom a process for, preparing the 3-phenylthiomethylstyrene derivative (1) and an antiallergic agent and a tyrosinekinase inhibiting agent containing the 3-phenylthiomethylstyrene derivative (1) as an effective component, The compound (1) of the present invention is a useful intermediate for preparing various organic compounds, and has excellent antiallergic and tyrosinekinase inhibiting activities.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 2008.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.