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期刊论文
Synthesis and Bioactivities of Nitronyl Nitroxide and RGD Containing Pseudopeptides
Bioorganic & Medicinal Chemistry Letters 13(2003)4065-4069,-0001,():
1-(1′,3′-Dioxyl-4′,4′,5′,5′-tetramethyldihydroimidazol-2′-yl)-phenyl-4-yloxylacetic acid (3), and 1-(1′,3′-dioxyl-4′,4′,5′,5′-tetramethyldihydroimidazol-2′-yl)-phenyl-4-yloxylacetyl-RGDS (13), -RGDV (14), -RGDF (15) were synthesized. The ESR measurement gave the same spectroscopy for 3 and 13-15. The NO scavenging tests in vitro, anti-platelet aggregation tests in vitro and the anti-thrombosis assay in vivo indicated that introducing 3 into the N-terminal of RGDS, RGDV and RGDF the corresponding bioactivities for both of 3 and RGD peptides can be remained completely. The present combinations provided a beneficial strategy for simultaneous scavenging NO and anti-thrombosis, and for the use of spin label of RGD peptides in the conformational researches.
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