摘要 |
<p>1. Claims for the Contracting States : BE, CH, LI, DE, FR, GB, IT, NL, SE Insulin derivative wherein the amino group of the B1-phenylalanine is linked to the free OH group of a monoalkylpolyethyleneglycol via a low molecular radical connecting member. 1. Claims for Contracting State : AT A process for the preparation of an insulin derivative wherein the alpha-amino group of the insulin B-chain is linked to a monoalkylpolyethyleneglycol via a connecting member, which process comprises reacting an insulin containing protecting groups in the N**alpha A1 and N**epsilon B29 positions with an alkyl-polyethyleneglycol derivative and subsequently splitting off the protecting groups.</p> |