Process for the preparation of insulin derivatives

C - Chemistry – Metallurgy – 07 – K

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530/7.4

C07K 14/62 (2006.01)

Patent

CA 1229588

- 1 - Abstract of the disclosure: The invention relates to a process for the pre- paration of insulin derivatives of the formula I Image (I) in which R30 represents the radical of a neutral L-amino acid which can be genetically coded, X represents identical or different radicals of L-amino acids which can be genetic- ally coded, at least one of which is a basic amino acid, it being possible for the C-terminal member to be homo- serine-lactone, Y denotes Phe or H and n denotes 1, 2 or 3, by splitting of intermediates, proinsulin, preproinsu- lin or analogs thereof, which comprises carrying out the splitting reaction close to the isoelectric point of the insulin derivatives of the formula I in the presence of an aromatic hydroxy compound.

460239

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