Process for the synthesis of...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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Reexamination Certificate

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10582419

ABSTRACT:
Process for the synthesis of compounds of formula (I):wherein R represents a hydrogen atom or a protecting group for the amino function.Application in the synthesis of perindopril and pharmaceutically acceptable salts thereof.

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patent: 7060842 (2006-06-01), Mezei et al.
patent: 1256590 (2002-11-01), None
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Coste, Jacques, et al. “Oxybenzotriazole free peptide coupling reagents for N-methylate amino acids” Tetrahedron Letters, vol. 32, No. 17, p. 1967-1970, 1991.
Carpino, Louis, et al., “Effect of Tertiary basis on )-benzotriazolyluronium salt-induced peptide segment coupling” Journal of Organic Chemistry, vol. 59, No. 4, p. 695-698, 1994.
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International Search Report for PCT/FR2004/003167—May 4, 2005.
European Search Report for EP 03293085—Mar. 18, 2004.
International Preliminary Examination Report for PCT FR2004 003167 of Sep. 18, 2006.

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