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标题标题2专利权人发明人附图摘要摘要2优先权号IPC专利类型
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公开号 公开日 申请号 申请日
1. GB1115012A 1968/5/22 GB19650037779 1965/9/3
专利标题:Novel 2,3-bis-( -methoxyphenyl)indoles,their preparation and compositions containing them 法律状态
专利权人UPJOHN CO;
Novel 2,3-bis-(p-methoxyphenyl) indoles of general formula wherein R represents hydrogen, methyl or alkanoyl of 1-4 carbon atoms inclusive, R1 represents hydrogen, halogen, alkoxy of 1-3 carbon atoms inclusive or alkyl of 1-3 carbon atoms inclusive, are prepared by the Fischer indole synthesis by reacting 41-methoxy 2-(p-methoxyphenyl)acetophenone with the required phenylhydrazine derivative, or by condensing 4,41-dimethoxybenzoin with an aniline of formula



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