Room temperature ionic liquid promoted s
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D.V Jarikote; S.A Siddiqui; R Rajagopal; Thomas Daniel; R.J Lahoti; K.V Srinivas
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Article
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2003
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Elsevier Science
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French
β 208 KB
The reaction of o-phenylenediamines with both acyclic and cyclic ketones in the ionic liquid 1,3-di-n-butylimidazolium bromide afforded 1,5-benzodiazepines in excellent isolated yields in the absence of a catalyst at ambient temperature.