An efficient synthesis of 1,5-benzodiaze
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Benjaram M. Reddy; Pavani M. Sreekanth
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Article
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2003
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Elsevier Science
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French
โ 140 KB
2,3-Dihydro-1H-1,5-benzodiazepines are synthesized by the condensation of o-phenylendiamine and various ketones in the presence of a versatile solid superacid catalyst 'sulfated zirconia' under solvent free conditions.