| 摘要 |
<p>PCT No. PCT/SE90/00797 Sec. 371 Date Jun. 11, 1992 Sec. 102(e) Date Jun. 11, 1992 PCT Filed Dec. 3, 1990 PCT Pub. No. WO91/09052 PCT Pub. Date Jun. 27, 1991.The invention relates to, novel peptide derivatives with the formula: R1-A1-A2-A3-A4-R2 or its salt, wherein R1=H or a protective group, A1=H, Ile, Leu or Val, A2=Glu, Asp, Ser, Thr; A3=Gly or Glyc; A4=Arg or Lys; R2=4-nitroaniline with the proviso that A3 is Gly when A4 is Lys and that A3 is Glyc when A4 is Arg. The invention also discloses the process for the preparation of the peptide derivatives, the method for the determination of the bacterial endotoxins by the use of the invented peptide derivatives and the use of these derivatives for determination of bacterial endotoxins.</p> |
