SOLVENT EFFECT ON THE BACKBONE REARRANGEMENT OF 3β,4β-EPOXYSHIONANE CATALYZED BY BORON TRIFLUORIDE ETHERATE
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Boron trifluoride etherate; highly efficient catalyst for synthesis of tert-butylamides via modified Ritter reaction in solvent free condition
Highly efficient method for the preparation of N-tert-butyl amides by reaction of nitriles with tertbutylacetateis described using boron trifluoride etherate in solvent free condition. Selective amidation ofbenzonitrile in the presence of acetonitrile was also achieved.
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One-pot Efficient Oximation-Beckmann Rearrangement of Ketones Catalyzed by Fe3O4 Under Solvent-free Conditions
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The Pechmann reaction of substituted phenols 1a-e with methyl acetoacetate (2) can be activated by boron trifluoride dihydrate (3) to give the corresponding 4-methyl- coumarin derivatives 4a-e in excellent yield (98-99 %).
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ژورنال
عنوان ژورنال: Chemistry Letters
سال: 1976
ISSN: 0366-7022,1348-0715
DOI: 10.1246/cl.1976.1359