作者: Jon Holbech Rasmussen , Palle Hedengran Rasmussen , Stefan Hansen , Wolfgang Oliver Wachs , Jens Fomsgaard
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摘要: The present invention relates to a liquid (or solution)-phase manufacturing process for preparing the decapeptide Degarelix, its protected precursor, and other useful intermediates. further polypeptides in solution-phase purification of Degarelix itself. can be obtained by subjecting precursor according formula (II): (P 1 )AA -AA 2 3 4 )-AA 5 6 7 8 9 10 -NH (II) or salt solvate thereof, treatment with cleaving agent an organic solvent, wherein P is amino protecting groups; preferably acetyl; hydrogen hydroxy! group, hydroxyl group; group.