An Application of a Schiff-Base Type Reaction in the Synthesis of a New Rhodamine-Based Hg(II)-Sensing Agent
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluorescence"
DOI: 10.1007/s10895-019-02462-5
Abstract: A facile synthesis procedure, whereby 9-Anthraldehyde (AA) is coupled to aminated rhodamine (AR) via a Schiff base-type reaction, is reported. The applicability and performance of the obtained material (AA-AR) as a sensing agent was studied… read more here.
Keywords: base type; sensing agent; type reaction; schiff base ... See more keywords
Alkyl perchlorates in the Ritter-type reaction. Synthesis of N-alkylamides
Sign Up to like & getrecommendations! Published in 2020 at "Russian Chemical Bulletin"
DOI: 10.1007/s11172-020-2858-8
Abstract: The Ritter-type reaction of alkyl perchlorates with nitriles of various structures was systematically studied. The reaction has a wide scope and proceeds under extremely mild conditions without any catalysts or special activation of reagents. A… read more here.
Keywords: reaction synthesis; ritter type; reaction; perchlorates ritter ... See more keywords
Borylation of azines via a Minisci-type reaction
Sign Up to like & getrecommendations! Published in 2021 at "Chem"
DOI: 10.1016/j.chempr.2021.06.013
Abstract: C–H borylation of N-heteroarenes is an efficient yet highly challenging route to borylated aromatics. In a recent issue of Nature, Leonori and co-workers demonstrated a novel strategy toward this end by utilizing a boryl-radical-based Minisci-type… read more here.
Keywords: type reaction; borylation azines; minisci type;
HOTf-Catalyzed Alkyl-Heck-type Reaction
Sign Up to like & getrecommendations! Published in 2018 at "iScience"
DOI: 10.1016/j.isci.2018.04.020
Abstract: Summary The Heck reaction, along with other cross-coupling reactions, led to a revolution in organic chemistry. In the last 50 years, metal-catalyzed, photo-induced, or base-mediated Heck and Heck-type reactions have been elegantly developed. Brønsted acid-catalyzed… read more here.
Keywords: heck type; type reaction; heck; hotf catalyzed ... See more keywords
A facile synthesis of stable β-amino-N-/O-hemiacetals through a catalyst-free three-component Mannich-type reaction
Sign Up to like & getrecommendations! Published in 2017 at "Tetrahedron Letters"
DOI: 10.1016/j.tetlet.2017.02.084
Abstract: Abstract A practical, straightforward and one-step procedure for the synthesis of novel and stable β-amino-N-/O-hemiacetals (i.e. γ-aminoalcohols) is provided. The title compounds were obtained in good to excellent yields through an uncatalyzed three-component reaction by… read more here.
Keywords: stable amino; amino hemiacetals; type reaction; three component ... See more keywords
Radical C(sp3)-H Heck-type Reaction of N-Alkoxybenzimidoyl Chlorides with Styrenes to Construct Alkenols.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c00593
Abstract: We report the first radical C(sp3)-H Heck-type reaction of aliphatic alcohols for selective δ- and ε-alkenol synthesis by photoredox catalysis. N-Alkoxybenzimidoyl chlorides are developed as novel alkoxyl radical precursors with tunable redox potentials. Various alkenols… read more here.
Keywords: alkoxybenzimidoyl chlorides; heck type; sp3 heck; type reaction ... See more keywords
Electrochemical Deoxygenative Barbier-Type Reaction.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.2c01286
Abstract: An effective deoxygenative C(sp3)-C(sp3) bond formation reaction is achieved through electrochemical reduction of alcoholic phosphates or sulfonates with aldehydes or ketones. Alcohol derivatives of phosphates undergo single-electron reduction under electrochemical conditions followed by a spontaneous… read more here.
Keywords: reaction; barbier type; deoxygenative barbier; type reaction ... See more keywords
Step-Controlled Povarov-Type Reaction with 1,2-Dihydroquinolines as Precursors of Dienophiles: Direct Synthesis of Spirocyclic Bi-tetrahydroquinolines and Functionalized 1,2-Dihydroquinolines.
Sign Up to like & getrecommendations! Published in 2017 at "Organic letters"
DOI: 10.1021/acs.orglett.6b03330
Abstract: A novel Povarov-type reaction for straightforward synthesis of novel spiro bi-tetrahydroquinolines with readily available 1,2-DHQs (1,2-dihydroquinolines) and aromatic imines was developed. The reaction could be selectively stopped at the first stage under a Brønsted acid… read more here.
Keywords: povarov type; controlled povarov; reaction; type reaction ... See more keywords
Switchable Decarboxylative Heck-Type Reaction and Oxo-alkylation of Styrenes with N-Hydroxyphthalimide Esters under Photocatalysis.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b01268
Abstract: The switchable visible-light-mediated decarboxylative Heck-type reaction and oxo-alkylation reaction of N-hydroxyphthalimide esters under photocatalysis were developed. Disubstituted or trisubstituted alkenes were obtained in good yield with high E-selectivity in the presence of Brønsted acid as… read more here.
Keywords: reaction oxo; heck type; decarboxylative heck; oxo alkylation ... See more keywords
Catalytic Asymmetric Mannich Type Reaction with Tri-/Difluoro- or Trichloroacetaldimine Precursors.
Sign Up to like & getrecommendations! Published in 2018 at "Organic letters"
DOI: 10.1021/acs.orglett.8b03083
Abstract: A highly efficient catalytic asymmetric Mannich type reaction of CF3-, CF2H-, or CCl3-acetaldimine precursors by a chiral primary amine is presented. This protocol provides facile access to chiral CF3-, CF2H-, or trichloroethyl amines in excellent… read more here.
Keywords: mannich type; catalytic asymmetric; type reaction; asymmetric mannich ... See more keywords
α-Halo Amides as Competent Latent Enolates: Direct Catalytic Asymmetric Mannich-Type Reaction.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.7b03291
Abstract: α-Halogenated carbonyl compounds are susceptible to dehalogenation and thus largely neglected as enolate precursors in catalytic enantioselective C-C bond-forming reactions. By merging the increased stability of the α-C-halogen bond of amides and the direct enolization… read more here.
Keywords: direct catalytic; type reaction; mannich type; catalytic asymmetric ... See more keywords