(Aryl)(amino) borane compounds, method for preparing same
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United States of America Patent
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Feb 20, 2007
Grant Date -
May 19, 2005
app pub date -
Dec 20, 2002
filing date -
Dec 21, 2001
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Abstract
The invention concerns (aryl)(amino)borane compounds and a method for preparing same. Said compounds are of formula A-BH--NR.sup.1R.sup.2, wherein: R.sup.1 and R.sup.2 are selected among linear, branched or cyclic alkyl radicals, and arylalkyl radicals, or R.sup.1 and R.sup.2 form together an alkylene; and A represents an aromatic or heteroaromatic group optionally polycondensed, or a group selected among the vinyl, dienyl, polyenyl and alkynyl groups, all said groups optionally bearing at least one substituent. The compounds are obtained by a method which consists in preparing an amine-borane R.sup.1R.sup.2NH.BH.sub.3 complex, in transforming it into aminoborane R.sup.1R.sup.2NBH.sub.2 by heating, then in reacting it with an A-X compound wherein X is a leaving group.
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