Preparation of chiral amino-nitriles

Details Preparation of chiral amino-nitriles Preparation of chiral amino-nitriles

2007-11-27

2007-11-27

Wilson, James O. (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

Reexamination Certificate

active

10946167

ABSTRACT:
A process and intermediates for producing 3-amino nitrites. The process involves resolving an enantiomeric mixture of chiral 3-amino nitrites in the presence of a chiral acid in a solvent system to produce a chiral 3-amino nitrile salt. The process may further comprise a recrystalizing step, wherein an enantiomerically enriched 3-amino nitrile salt is produced. The process may further comprise a salt exchanging step, wherein another acid is added to the chiral 3-amino nitrile salt or the enantiomerically enriched 3-amino nitrile salt to produce another 3-amino nitrile salt.

REFERENCES:
P.G. Williams, W.Y. Yoshida, R.E. Moore, V.J. Paul, “Isolation and Structure Determination of Obyanamide, a Novel Cytotoxic Cyclic Depsipeptide from the Marine Cyanobacterium Lyngbya confervoides,” J. Nat. Prod., 2002 (Published on Web Dec. 21, 2001), vol. 65, No. 1, pp. 29-31.

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