Process for the preparation of crystalline perindopril

Details Process for the preparation of crystalline perindopril Process for the preparation of crystalline perindopril

2011-04-12

2011-04-12

Chu, Yong (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07923570

ABSTRACT:
The present invention relates to a new process for the preparation of crystalline perindopril. The present invention also relates to new alkyl ammonium salts of perindopril and the processes for the preparation thereof.

REFERENCES:
patent: 2005019173 (2005-03-01), None
patent: 2005068425 (2005-07-01), None
Morissette et al. Advanced Drug Delivery Reviews 2004, 56, 275-300.
Vippagunta et al., abstract, Vippagunta, Sudha R. “Crystalline Solids.” Advanced Drug Delivery Reviews 48(2001): 3-26.
A. Maureen Rouhi, The Right Stuff: From research and development to the clinic, getting drug crystals right is full of pitfalls, Chem. & Eng. News, 81(8), Feb. 24, 2003, 32-35.
Brittain, H.G. (Polymorphism in Pharmaceutical Solids—Drugs and the Pharmaceutical Sciences, V. 95; New York Marcel Dekker, Inc., 1999), p. 236.
Vincent M et, al: “Synthesis and Ace Inhibitory Activity of the Stereoisomers of Perindopril (S 9490) and Perindoprilate” (S 9780), Drug Design and Discovery, Harwood Academic Publishers GMBH, vol. 9, No. 1, 1992, pp. 11-28.

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