Results 41 to 50 of about 171,719 (347)

Changes in metals and polyaromatic hydrocarbon contents of a spent lubrication oil-polluted soil after exposure to sodium azide and hydroxlamine hydrochloride solutions: implications for intrinsic bioremediation

open access: yesStudia Universitatis Babeș-Bolyai. Biologia, 2017
The study investigated the changes in heavy metals and polyaromatic hydrocarbon contents of an oil-polluted soil as a result of exposure to sodium azide and hydroxylamine hydrochloride.
Beckley IKHAJIAGBE   +1 more
doaj   +1 more source

Synthesis, Anticancer and Antibacterial Activity of Mannose-based bis-1,2,3-Triazole Derivatives

open access: yesمجلة بغداد للعلوم, 2023
       In the current work, aromatic amines and alkyl halides have been converted to the corresponding azides 2a‒d and 4a-d by the reaction with sodium nitrite and sodium azide respectively for amines and sodium azide for halides.
Lamyaa Salih Mahdi   +2 more
doaj   +1 more source

End-group functionalization of poly(2-oxazoline)s using methyl bromoacetate as initiator followed by direct amidation [PDF]

open access: yes, 2019
Poly(2-alkyl/aryl-2-oxazoline)s (PAOx) are an alluring class of polymers for many applications due to the broad chemical diversity that is accessible for these polymers by simply changing the initiator, terminating agent and the monomer(s) used in their ...
Arys, Koen   +4 more
core   +2 more sources

6-Deoxyhexoses froml-Rhamnose in the Search for Inducers of the Rhamnose Operon: Synergy of Chemistry and Biotechnology [PDF]

open access: yes, 2016
In the search for alternative non‐metabolizable inducers in the l ‐rhamnose promoter system, the synthesis of fifteen 6‐deoxyhexoses from l ‐rhamnose demonstrates the value of synergy between biotechnology and chemistry.
Estévez, Amalia   +12 more
core   +3 more sources

Microwave-assisted three-component domino reaction: Synthesis of indolodiazepinotriazoles

open access: yesBeilstein Journal of Organic Chemistry, 2013
A microwave-assisted three-component protocol involving N-1 alkylation of 2-alkynylindoles with epichlorohydrin, ring opening of the epoxide with sodium azide, and an intramolecular Huisgen azide–internal alkyne 1,3-dipolar cycloaddition domino sequence ...
Rajesh K. Arigela   +3 more
doaj   +1 more source

Continual reproduction of self-assembling oligotriazole peptide nanomaterials. [PDF]

open access: yes, 2017
Autocatalytic chemical reactions, whereby a molecule is able to catalyze its own formation from a set of precursors, mimic nature's ability to generate identical copies of relevant biomolecules, and are thought to have been crucial for the origin of life.
Brea, Roberto J, Devaraj, Neal K
core   +2 more sources

Opportunities and Limits of the Use of Azides in Industrial Production. Implementation of Safety Measures

open access: yesCHIMIA, 2003
Azides are very versatile precursors of organic synthesis functionalities such as amines, isocyanates, sulfonamides, triazoles, tetrazoles, triazolines, aziridines, amino acids and diazo compounds.
Jean-Pierre Hagenbuch
doaj   +1 more source

Microwave assisted metal-free approach to access 1,2,3-triazoles through multicomponent synthesis

open access: yesCurrent Research in Green and Sustainable Chemistry, 2020
The work illustrates multicomponent reaction of aldehydes, nitroalkanes and sodium azide for the metal-free synthesis of N-unsubstituted-1,2,3-triazoles using anthranilic acid as an organocatalyst under microwave irradiation. This is the first ever green
Anirban Garg   +2 more
doaj   +1 more source

Synthesis of 1,4-Disubstituted Mono and Bis-triazolocarbo-acyclonucleoside Analogues of 9-(4-Hydroxybutyl)guanine by Cu(I)-Catalyzed Click Azide-Alkyne Cycloaddition [PDF]

open access: yes, 2011
A series of novel mono-1,2,3-triazole and bis-1,2,3-triazole acyclonucleoside analogues of 9-(4-hydroxybutyl)guanine was prepared via copper(I)-catalyzed 1,3-dipolar cycloaddition of N-9 propargylpurine, N-1-propargylpyrimidines/as-triazine with the ...
Engels, Joachim W.   +2 more
core   +2 more sources

Site Selective Antibody-Oligonucleotide Conjugation via Microbial Transglutaminase. [PDF]

open access: yes, 2019
Nucleic Acid Therapeutics (NATs), including siRNAs and AntiSense Oligonucleotides (ASOs), have great potential to drug the undruggable genome. Targeting siRNAs and ASOs to specific cell types of interest has driven dramatic improvement in efficacy and ...
Cui, Xianshu   +6 more
core   +1 more source

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