Results 1 to 10 of about 7,352 (256)

The double protonation of dihapto-coordinated benzene complexes enables dearomatization using aromatic nucleophiles. [PDF]

open access: yesNat Commun, 2023
Friedel-Crafts Arylation (the Scholl reaction) is the coupling of two aromatic rings with the aid of a strong Lewis or Brønsted acid. This historically significant C–C bond forming reaction normally leads to aromatic products, often as oligomeric ...
Weatherford-Pratt JT   +7 more
europepmc   +2 more sources

Highly oxygenated cyclohexenes from the leaves of Uvaria grandiflora Roxb. ex Hornem and their cytotoxic and α-glucosidase inhibitory activities. [PDF]

open access: yesHeliyon
Phytochemical investigation of the leaf extract of Uvaria grandiflora Roxb. ex Hornem led to the isolation and identification of two new highly oxygenated cyclohexenes, uvariagrandols A (1) and B (2), together with seven known compounds (3–9).
Suthiphasilp V   +13 more
europepmc   +2 more sources

Cyclohexene oxide CA, a derivative of zeylenone, exhibits anti-cancer activity in glioblastoma by inducing G0/G1 phase arrest through interference with EZH2. [PDF]

open access: yesFront Pharmacol, 2023
Introduction: Due to its highly aggressiveness and malignancy, glioblastoma (GBM) urgently requires a safe and effective treatment strategy. Zeylenone, a natural polyoxygenated cyclohexenes compound isolated from Uvaria grandiflora, has exhibited ...
Su R   +10 more
europepmc   +2 more sources

Palladium-catalyzed enantioselective β-hydride elimination for the construction of remote stereocenters. [PDF]

open access: yesNat Commun
The β-H elimination is a crucial elementary step in transition-metal catalysis, but controlling the stereochemistry of this process has been underdeveloped.
Sun S, Sun S, Zi W.
europepmc   +2 more sources

Polyoxygenated seco-cyclohexenes derivatives from flower and leaf extracts of Desmos cochinchinensis and their α-glucosidase inhibitory activity

open access: yesHeliyon, 2020
Phytochemical investigations from the flower and leaf extracts of D. cochinchinensis resulted in the isolation and structural elucidation of five new polyoxygenated seco-cyclohexene derivatives, desmoscochinchinenes A-E (1–5), together with 11 known ...
Virayu Suthiphasilp   +2 more
exaly   +3 more sources

CuI-Zeolite Catalysis for Biaryl Synthesis via Homocoupling Reactions of Phenols or Aryl Boronic Acids. [PDF]

open access: yesMolecules
Due to the importance of biaryls as natural products, drugs, agrochemicals, dyes, or organic electronic materials, a green alternative biaryl synthesis has been developed based on easy-to-prepare and cheap copper(I)-exchanged zeolite catalysts.
Di X   +7 more
europepmc   +2 more sources

Approaches to the Total Synthesis of Conduramines: A Review

open access: yesSynOpen, 2022
This review reports on the total synthesis of conduramines, which are formally derived from conduritols, mainly containing a trihydroxy aminocyclohexene core.
Hanumantharayappa Bharathkumar   +3 more
doaj   +1 more source

A new finding in the old Knoevenagel condensation reaction

open access: yesResults in Chemistry, 2022
Reaction of benzaldehyde (5a) with defined quantities of ethyl cyanoacetate (6) in presence of piperidine was studied. In a neat condition, hexasubstituted cyclohexeneamine (7a) with three ester substituents was formed along with ethyl acrylate (9a ...
Attimogee Shivamurthy Harisha   +5 more
doaj   +1 more source

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