title: Alpha-azido acids for direct use in solid-phase peptide synthesis.
abstract: Several new alpha-azido acids have been synthesized and their use in solid-phase peptide synthesis has been demonstrated. The azido group allows for high activation of the carboxyl group as an acid chloride without formation of byproducts and with no detectable racemization. An analog of Leu-enkephalin has been prepared and tested in the mouse vas deferens and guinea pig ileum bioassays: it displays moderate activity at the delta-opiod receptor.
authors.affiliation: Department of Chemistry, Carlsberg Laboratory, Valby, Copenhagen, Denmark.
authors.forename: C W
authors.initials: CW
authors.lastname: Tornøe
authors.forename: P
authors.initials: P
authors.lastname: Davis
authors.forename: F
authors.initials: F
authors.lastname: Porreca
authors.forename: M
authors.initials: M
authors.lastname: Meldal
mesh_terms: D000818:Animals; D001386:Azides / Q000494:pharmacology*; D001681:Biological Assay; D004745:Enkephalins / Q000737:chemistry* / Q000494:pharmacology; D006168:Guinea Pigs; D007082:Ileum / Q000737:chemistry / Q000187:drug effects*; D008297:Male; D051379:Mice; D008813:Mice, Inbred ICR; D009130:Muscle, Smooth / Q000187:drug effects* / Q000378:metabolism; D017465:Receptors, Opioid, delta / Q000378:metabolism; D014649:Vas Deferens / Q000737:chemistry / Q000187:drug effects*
chemical_list: D001386:Azides; D004745:Enkephalins; D017465:Receptors, Opioid, delta