Racemisation of amines
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United States of America Patent
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Dec 14, 1999
Grant Date -
N/A
app pub date -
Jun 12, 1998
filing date -
Dec 14, 1995
priority date (Note) -
Expired
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Abstract
A process for racemising an optically-enriched chiral amine of the formula: R.sup.1 --CH(NR.sup.3 R.sup.4)--R.sup.2, wherein R.sup.1 is aromatic or unsaturated alkyl; R.sup.2 is aromatic or alkyl; and R.sup.3 and R.sup.4 are independently selected from hydrogen, alkyl and aryl; and wherein any combination(s) of two of the R groups may form a ring; comprises treatment of the optically-enriched amine with a metal hydroxide in an aprotic polar solvent.
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