科研之友
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摘要
A new, convenient and high yielding procedure for the preparation of bis(indolyl) methanes in water by electrophilic substitution reaction of indoles with different carbonyl compounds in the presence of a catalytic amount of [Cu(3,4-tmtppa)](MeSO(4))(4) (1 mol%) as a highly stable and reusable catalyst is described. This procedure has also been applied successfully for the preparation of bis(pyrazole-5-ols) and dipyrromethanes.
- 出版日期2009-8-15
