POLYPEPTIDES
    10.
    发明专利

    公开(公告)号:ZA735680B

    公开(公告)日:1974-07-31

    申请号:ZA735680

    申请日:1973-08-20

    Abstract: The novel title polypeptides are of formula (where X is the radical of an aminoacid or a linear peptide contg. 2-6 aminoacids, and Q is Arg or Lys), all the aminoacids having the 1-configuration, together with their pharmaceutically acceptable acid addn. salts. They may be prepd. by removal of the protecting gps. from peptides of formula (where R1 is an opt. protected aminoacid or a 2-6 aminoacid linear peptide, R2 is H or an amide protecting gp, Q' is -NHCH (CH2)3NH-C(=NH)-NHR3 CO- or NHCH -(CH2)4NHR4-CO-, where R3 is H or a guanidine-protecting gp. and R4 is H or a lysine-protecting gp).

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