Process for the preparation of primary amines
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United States of America Patent
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May 22, 2007
Grant Date -
Oct 27, 2005
app pub date -
Jul 28, 2003
filing date -
Jul 30, 2002
priority date (Note) -
Expired
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Abstract
Process for the preparation of primary amines of formula (I): ##STR00001## where R3 represents an alkyl, cycloalkyl or aralkyl group, by reaction of a triazolium salt of formula (II): ##STR00002## where R1 and R2 represent hydrogen or an alkyl, aralkyl or aryl group, R4 represents an alkyl or aralkyl group or a residue of an organic polymer functionalized by an alkylating group, and A.sup.- represents a halogen, alkylsulphonate, arylsulphonate, alkyl sulphate, hydrogensulphate, hemisulphate, perchlorate or hydroxide, with a hydride, in order to obtain an amine of formula (I), which is isolated, if desired, and intermediates.
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