C - Chemistry – Metallurgy – 07 – K
Patent
C - Chemistry, Metallurgy
07
K
C07K 5/078 (2006.01) A61K 38/05 (2006.01) C07D 207/16 (2006.01) C07D 211/60 (2006.01) C07D 405/06 (2006.01) C07K 1/06 (2006.01)
Patent
CA 2131367
2131367 9318060 PCTABS00025 This invention relates to new peptide derivatives of the general formula (I): A-Xaa-Arg-H, wherein A represents a D- or L-isochroman-1-carbonyl, D- or L-isochroman-3-carbonyl group, furthermore an acyl group of the general formula: D- or DL-A'-CH(OH)-CO, wherein A' represents a phenyl, benzyl, 1-naphthyl, 1-naphthylmethyl, 2-naphthyl, 2-naphthylmethyl, 9-fluorenyl, benzhydryl, cyclohexyl, cyclohexylmethyl, 2-pyridyl, 3-pyridyl or 4-pyridyl group, and Xaa represents an L-prolyl or an L-pipecolinic acid residue, and Arg stands for an L-arginine residue, their acid addition salts formed with an organic or inorganic acid and pharmaceutical compositions containing the same. Furthermore the invention relates to a process for preparing them. The compounds of the invention have valuable therapeutic, particularly anticoagulant, properties.
Bagdy Daniel
Bajusz Sandor
Barabas Eva
Feher Andras
Horvath Gyula
Fetherstonhaugh & Co.
Gyogyszerkutato Intezet Kft
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