Process for the preparation of arylethylamines by amination of arylolefins
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United States of America Patent
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N/A
Issued Date -
Nov 29, 2001
app pub date -
May 17, 2001
filing date -
May 20, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a process for the preparation of 2-arylethylamine derivates having an alkyl substituent in the 1-position, of the formula (I) aryl-CHR.sup.1--CR.sup.2(NR.sup.3R.sup.4)--(CHR.sup.5R.sup.6).sub.n--CHR.s-up.7R.sup.8 (I) by reaction of aromatic olefins of the general formulae (Ila-c) aryl-CHR.sup.1--CHR.sup.2--(CR.sup.5R.sup.6).sub.a--CR.sup.5.dbd.CR.sup.6---(CR.sup.5R.sup.6).sub.bCHR.sup.7R.sup.8 (IIa) aryl-CHR.sup.1--CR.sup.2.dbd.CR.sup.5--(CR.sup.5R.sup.6).sub.c--CHR.sup.7R-.sup.8 (IIb) aryl-CHR.sup.1--CHR.sup.2--(CR.sup.5CR.sup.6).sub.c--CR.sup.5.dbd.CR.sup.7-CR.sup.8 (IIc) with amines of the general formula (III) R.sup.3R.sup.4NH in the presence of a base.
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