Processes for producing optically active 2-amino-1-phenylethanol

Details Processes for producing optically active 2-amino-1-phenylethanol Processes for producing optically active 2-amino-1-phenylethanol

1996-10-28

1998-09-22

Saucier, Sandra E.

Chemistry: molecular biology and microbiology

Process of utilizing an enzyme or micro-organism to destroy...

Resolution of optical isomers or purification of organic...

435822, 435911, C12P 4100

Patent

active

058112936

ABSTRACT:
An (R)-2-amino-1-phenylethanol derivative shown by the general formula (IIa) ##STR1## wherein R.sup.1 and R.sup.5 represent a hydrogen atom, etc.; R.sup.2, R.sup.3 and R.sup.4 independently represent a halogen atom, etc., or a salt thereof, can readily be produced (1) by permitting a microorganism belonging to the genus Rhodosporidium, the genus Comamonas or the like to act on a mixture of corresponding (R)-form and (S)-form to asymmetrically utilize, or (2) by permitting a microorganism belonging to the genus Lodderomyces, the genus Pilimelia or the like to act on a corresponding aminoketone derivative to asymmetrically reduce. An a high optical purity can easily be obtained from the compound of the formula (IIa) or a salt thereof. Said derivative is useful as an intermediate for producing an anti-obesity agent and so on.

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