Process for preparation of 2-methyl-2'-phenylpropionic acid derivatives and novel intermediate compounds
The present invention relates to a process for preparing 2-methyl-2'-phenylpropionic acid derivatives showing antihistamine activity in more simplified way, intermediate compounds and their preparation processes used therefor. According to the present invention, pharmaceutically useful 2-methyl...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The present invention relates to a process for preparing 2-methyl-2'-phenylpropionic acid derivatives showing antihistamine activity in more simplified way, intermediate compounds and their preparation processes used therefor. According to the present invention, pharmaceutically useful 2-methyl-2'-phenylpropionic acid derivatives can be prepared with high yield and purity on industrial scale. |
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