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1,2,3-Triazol tyrosines were synthesized from tyrosine alkynes that were in turn prepared via Sonogashira cross-coupling reaction. The tyrosine alkynes were subjected to click-chemistry reaction conditions leading to the corresponding 3-(1,2,3-triazolyl)-tyrosines in yields ranging from moderate to good.
Two independent molecules that differ in terms of rotation about the central S-N bond comprise the asymmetric unit of the title compound 1. The molecules have a V-shape with the dihedral angles between the fused ring system and benzene ring being 79.08(6)° and 72.83(5)°, respectively. The packing is mostly driven by p···p interactions occurring between the… (More)
The Ugi multicomponent reaction has been used as an important synthetic route to obtain compounds with potential biological activity. We present the rapid and efficient synthesis of $$\upalpha $$ α -amino-1,3-dicarbonyl compounds in moderate to good yields via Ugi flow chemistry reactions performed with a continuous flow reactor. Such $$\upalpha $$ α… (More)
Novel N-triazolyl maleimide derivatives were synthesized by azide-alkyne Huisgen cycloaddition (1,3-dipolar cycloaddition) and tested for cytotoxicity against a cell line derived from human melanomas SK-Mel-28 and SK-Mel-103, and human umbilical vein endothelial cell lines (HUVEC). The 4l was chose to be biologically tested due to incorporation of benzyl… (More)
We report a method to obtain biaryl dipeptide tyrosine via Suzuki-Miyaura and alkynyl dipeptide tyrosine by Sonogashira cross-coupling reactions. Analysis of the biological action of biaryl dipeptide tyrosine 4d compound showed its ability to impair the metabolism and proliferation of SK-Mel-28 human melanoma lineage cells, independently of mitochondrial… (More)