ArticleIranian journal of pharmaceutical research : IJPR2019
Efficient Synthesis of Norbuprenorphines Coupled with Enkephalins and Investigation of Their Permeability.
Article in Iranian journal of pharmaceutical research : IJPR, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Cytotoxicity and Immunogenicity Evaluation of Synthetic Cell-penetrating Peptides for Methotrexate Delivery.Iranian journal of pharmaceutical research : IJPR · 2021Article
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Abstract
An efficient approach for the synthesis of norbuprenorphin derivatives through coupling of enkephalins and norbuprenorphine intermediates is described. Norbuprenorphine derivative was synthesized from thebaine and then, its reaction with succinic acid and phthalic acid was also studied. Meanwhile, the synthesis of enkephalins was done using solid phase peptide synthesis approach. Furthermore, after cleavage of the peptide from the surface of the resin, the coupling of enkephalins with norbuprenorphine derivative was done using TBTU as a coupling reagent then the derivatives were purified using preparative high-pressure liquid chromatography and their structures were confirmed using high-resolution mass spectrometry data. Later, their permeability across membranes was investigated. After PAMPA studies, it was found that the permeability of all norbuprenorphin-enkephalin derivatives was increased; however, succinic and phthalic acid derivatives showed higher permeability than norbuprenorphine-Leu-enkephalin.
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