Monofunctional primary amine: A new class of organocatalyst for asymmetric Aldol reaction
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Chemical Sciences"
DOI: 10.1007/s12039-017-1237-y
Abstract: AbstractA new class of organocatalysts involving a primary amine as the only functional group is developed for catalytic asymmetric aldol reaction of cyclohexanone/cyclopentanone with various aryl aldehydes in the presence of benzoic acid as an… read more here.
Keywords: new class; aldol reaction; reaction; primary amine ... See more keywords
Functionalization of primary amine groups to single-walled carbon nanotubes by reacting fluorinated SWCNTs with ammonia gas at a low temperature
Sign Up to like & getrecommendations! Published in 2021 at "Carbon"
DOI: 10.1016/j.carbon.2020.10.038
Abstract: Abstract We functionalized primary amine groups (NH2-) to single-walled carbon nanotubes (SWCNTs) by reacting fluorinated SWCNTs with ammonia gas at a low temperature and characterized NH2-functionalized SWCNTs which were prepared by defluorinating the remaining fluorine… read more here.
Keywords: amine groups; walled carbon; single walled; amine ... See more keywords
Enzymatic production of 4-hydroxyphenylacetaldehyde by oxidation of the amino group of tyramine with a recombinant primary amine oxidase
Sign Up to like & getrecommendations! Published in 2020 at "Process Biochemistry"
DOI: 10.1016/j.procbio.2020.03.007
Abstract: Abstract In this study, an efficient enzymatic process for the synthesis of 4-hydroxyphenylacetaldehyde (4-HPAA) from tyramine was developed using whole cells of recombinant Escherichia coli co-expressing primary amine oxidase (PrAO) from E. coli and catalase… read more here.
Keywords: amine oxidase; tyramine; yield; primary amine ... See more keywords
Primary Amine-Clustered DNA Aptamer for DNA-Protein Conjugation Catalyzed by Microbial Transglutaminase.
Sign Up to like & getrecommendations! Published in 2017 at "Bioconjugate chemistry"
DOI: 10.1021/acs.bioconjchem.7b00594
Abstract: DNA-protein conjugates are promising biomolecules for use in areas ranging from therapeutics to analysis because of the dual functionalities of DNA and protein. Conjugation requires site-specific and efficient covalent bond formation without impairing the activity… read more here.
Keywords: dna aptamer; primary amine; dna protein; dna ... See more keywords
Reaction of Amino Acids with Ferrate(VI): Impact of the Carboxylic Group on the Primary Amine Oxidation Kinetics and Mechanism.
Sign Up to like & getrecommendations! Published in 2022 at "Environmental science & technology"
DOI: 10.1021/acs.est.2c03319
Abstract: Ferrate (Fe(VI)) is a novel oxidant that can be used to mitigate disinfection byproduct (DBP) precursors. However, the reaction of Fe(VI) with organic nitrogen, which is a potential precursor of potent nitrogenous DBPs, remains largely… read more here.
Keywords: carboxylic group; amino acids; oxidation; primary amine ... See more keywords
Broadening the Scope of Steroidal Scaffolds: The Umpolung of a Bis-Primary Amine Precatalyst for the Insertion of CO2 into Epoxides.
Sign Up to like & getrecommendations! Published in 2020 at "Organic letters"
DOI: 10.1021/acs.orglett.0c02537
Abstract: A cholic acid-based bis-primary amine is capable of promoting the insertion of CO2 into epoxides with the cooperative aid of an iodide anion. This framework is transformed in situ into a bis-carbamic acid. The latter… read more here.
Keywords: insertion co2; co2 epoxides; bis primary; primary amine ... See more keywords
Asymmetric Coupling of β-Ketocarbonyls and Alkynes by Chiral Primary Amine/Rh Synergistic Catalysis.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.1c04334
Abstract: We herein report a synergetic chiral primary amine and rhodium catalysis for asymmetric coupling of β-ketocarbonyls and alkynes. A series of β-ketocarbonyls could be applied to afford linear allylation products, bearing all-carbon quaternary centers in… read more here.
Keywords: asymmetric coupling; ketocarbonyls alkynes; ketocarbonyls; coupling ketocarbonyls ... See more keywords
Complementary Base Lowers the Barrier in SuFEx Click Chemistry for Primary Amine Nucleophiles
Sign Up to like & getrecommendations! Published in 2020 at "ACS Omega"
DOI: 10.1021/acsomega.0c05049
Abstract: The sulfur(VI) fluoride exchange (SuFEx) reaction is an emerging scheme for connecting molecular building blocks. Due to its broad functional group tolerance and rather stable resulting linkage, it is seeing rapid adoption in various fields… read more here.
Keywords: primary amine; chemistry; reaction; complementary base ... See more keywords
Chiral Primary Amine/Ketone Cooperative Catalysis for Asymmetric α-Hydroxylation with Hydrogen Peroxide.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.0c11787
Abstract: Carbonyls and amines are yin and yang in organocatalysis as they mutually activate and transform each other. These intrinsically reacting partners tend to condense with each other, thus depleting their individual activity when used together… read more here.
Keywords: amine ketone; hydroxylation; catalysis; amine ... See more keywords
Asymmetric C-H Dehydrogenative Allylic Alkylation by Ternary Photoredox-Cobalt-Chiral Primary Amine Catalysis under Visible Light.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.2c03299
Abstract: We report herein an asymmetric C-H dehydrogenative allylic alkylation by a synergistic catalytic system involving a chiral primary amine, a photoredox catalyst, and a cobaloxime cocatalyst. The ternary catalytic system enables the coupling of β-ketocarbonyls… read more here.
Keywords: primary amine; allylic alkylation; chiral primary; dehydrogenative allylic ... See more keywords
Enantioselective Terminal Addition to Allenes by Dual Chiral Primary Amine/Palladium Catalysis.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.7b00437
Abstract: We herein describe a synergistic chiral primary amine/achiral palladium catalyzed enantioselective terminal addition to allenes with α-branched β-ketocarbonyls and aldehydes. The reactions afford allylic adducts bearing acyclic all-carbon quaternary centers with high regio- and enantioselectivity.… read more here.
Keywords: enantioselective terminal; terminal addition; palladium; addition allenes ... See more keywords