The Copolymerization of Isonitriles by Boron Trifluoride-Ethyl Etherate
نویسندگان
چکیده
منابع مشابه
Pechmann reaction promoted by boron trifluoride dihydrate.
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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An accurate value for the heat of formation of boron trifluoride is of significant importance because this value is involved in the thermochemistry of many boron compounds. The study of the thermochemistry of boron compounds was for a long time hampered by difficulties in measuring a suitable reaction involving elemental boron. The heat of formation of boric oxide, for instance, was uncertain t...
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ژورنال
عنوان ژورنال: The Journal of the Society of Chemical Industry, Japan
سال: 1967
ISSN: 0023-2734,2185-0860
DOI: 10.1246/nikkashi1898.70.10_1822