نتایج جستجو برای: 3 dipolar cycloaddition
تعداد نتایج: 1820449 فیلتر نتایج به سال:
Herein we describe an efficient and rapid access to 3′-deoxy-3′-(4-substituted-1,2,3-triazol-1-yl)-thymidine derivatives using 1,3-dipolar cycloaddition reaction catalyzed by copper(I). Innovative conditions allow us generate target compounds in a one-pot mixing 3′-azido-3′-deoxythymidine, alkyne, copper sulfate pentahydrate, sodium ascorbate tris(benzyltriazolylmethyl)amine water:tert-butanol ...
The specific 1,3 dipolar Hüisgen cycloaddition reaction known as 'click-reaction' between azide and alkyne groups is employed for the synthesis of peptide-oligonucleotide conjugates. The peptide nucleic acids (PNA)/DNA and peptides may be appended either by azide or alkyne groups. The cycloaddition reaction between the azide and alkyne appended substrates allows the synthesis of the desired con...
Huisgen [3+2] dipolar cycloaddition of 6″-azido-6″-deoxy-α-galactosyl ceramide 11 with a range of alkynes (or a benzyne precursor) yielded a series of triazole-containing α-galactosyl ceramide (α-GalCer) analogues in high yield. These α-GalCer analogues and the precursor azide 11 were tested for their ability to activate iNKT cells and stimulate IL-2 cytokine secretion in vitro, and IFN-γ and I...
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