Process for the manufacture of Degarelix and its intermediates

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United States of America Patent

PATENT NO 9090656
SERIAL NO

13881744

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Abstract

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The present invention relates to a liquid (or solution)-phase manufacturing process for preparing the decapeptide Degarelix, its protected precursor, and other useful intermediates. The invention further relates to polypeptides useful in the solution-phase manufacturing process and to the purification of Degarelix itself. Degarelix can be obtained by subjecting a Degarelix precursor according to formula (II): (P1)AA1-AA2-AA3-AA4(P4)-AA5-AA6(P6)-AA7-AA8(P8)-AA9-AA10-NH2 (II) or a salt or solvate thereof, to a treatment with a cleaving agent in an organic solvent, wherein P1 is an amino protecting groups; preferably acetyl; P4 is hydrogen or a hydroxy! protecting group, preferably a hydroxyl protecting group; P6 is hydrogen or an amino protecting groups; preferably an amino protecting groups; and P8 is an amino protecting group.

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Patent Owner(s)

Patent OwnerAddress
FERRING B V2132 JX HOOFDDORP

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fomsgaard, Jens Farum, DK 10 45
Hansen, Stefan Copenhagen, DK 9 27
Rasmussen, Jon Holbech Lyngby, DK 6 24
Rasmussen, Palle Hedengran Taastrup, DK 6 35
Wachs, Wolfgang Oliver Nykoebing Sjaelland, DK 2 21

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