Method for producing pipecolamide derivative

Details Method for producing pipecolamide derivative Method for producing pipecolamide derivative

2007-07-24

2007-07-24

Morris, Patricia L. (Department: 1625)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

10488470

ABSTRACT:
A method of manufacturing a pipecolamide derivative, characterized in that pipecolic acid or an acid salt thereof is reacted with an amine in an inert solvent in the presence of a condensing agent such as dicyclohexylcarbodiimide, 1-ethyl-2-(2-dimethylaminopropyl)carbodiimide, methanesulfonyl chloride or phosphoryl chloride. Pipecolamide derivatives, particularly in optically active forms thereof can be efficiently and economically manufactured without harmful gas by-products.

REFERENCES:
patent: 5-59903 (1993-09-01), None
patent: 10-507748 (1998-07-01), None
patent: WO 85/00599 (1985-02-01), None
patent: WO 96/12700 (1996-05-01), None
Tetrahedron Letters, 37, 1996, 6399-402.

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