Silica supported fluoroboric acid as a novel, efficient and reusable catalyst for the synthesis of 1,5-benzodiazepines under solvent-free conditions
β Scribed by B.P. Bandgar; Abasaheb V. Patil; O.S. Chavan
- Book ID
- 108212711
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 173 KB
- Volume
- 256
- Category
- Article
- ISSN
- 1381-1169
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## Abstract It is described that sulfamic acid can be utilized as an effective and green catalyst for the synthesis of 1,5βbenzodiazepines in high yields from the solventβfree condensation of oβphenylenediamine (**1**) and ketones (**2**). Β© 2007 Wiley Periodicals, Inc. Heteroatom Chem 18:354β358,
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