Results 1 to 10 of about 14,856 (220)
Synthesis of cyclobutane analogues [PDF]
Bulletin of the Chemical Society of Ethiopia, 2009 2-(3-Acetyl-2,2-dimethylcyclobutyl)acetic acid (pinonic acid) was synthesized using α-pinene as raw material and potassium permanganate as oxidant. This compound reacted with substituted aniline to produce eight kinds of derivatives with cyclobutane ...
Yan Bai Yin +4 more
doaj +4 more sources
Contemporary synthesis of bioactive cyclobutane natural products
Green Synthesis and Catalysis, 2023 Many cyclobutane natural products have intriguing biological properties that arise from their fascinating chemical structures. Cyclobutane natural products feature a cyclobutane scaffold as the core or as a part of the spirocyclic or fused cyclic core ...
Junyang Liu +2 more
exaly +3 more sources
Cycloreversion-enhanced toughness and degradability in mechanophore-embedded end-linked polymer networks [PDF]
Nature CommunicationsEnhancing the toughness while achieving triggerable degradation in single-network polymer systems without modifying their inherent chemical composition or network architecture remains a significant challenge.
Zhuang Li, Shan Tang
doaj +2 more sources
Essential oil-derived decomposable polymers via cycloaddition polymerization of silyl ether-linked phenylpropanoids [PDF]
Nature CommunicationsOwing to increasing concerns regarding climate change, research concerning the use of plant biomass as a renewable carbon resource has become increasingly active. Phenylpropanoids, which are aromatic compounds derived from plants, offer renewable sources
Ryo Nagaya +5 more
doaj +2 more sources
Kaemphenolide: a cyclobutane-bearing phenylpropanoid from Kaempferia galanga L. with nitric oxide inhibitory activity [PDF]
Natural Products and BioprospectingAn undescribed phenylpropanoid dimer featuring a rare cyclobutane ring was isolated from the rhizomes of Kaempferia galanga L., a medicinal plant traditionally used in Southeast Asia for its anti-inflammatory and therapeutic properties. Kaemphenolide (1),
Syarifatul Mufidah +3 more
doaj +2 more sources
Antitumor Profile of Carbon-Bridged Steroids (CBS) and Triterpenoids
Marine Drugs, 2021 This review focuses on the rare group of carbon-bridged steroids (CBS) and triterpenoids found in various natural sources such as green, yellow-green, and red algae, marine sponges, soft corals, ascidians, starfish, and other marine invertebrates.
Valery M. Dembitsky +2 more
doaj +1 more source
Acta Crystallographica Section E: Crystallographic Communications, 2023 The formation and crystal structure of a zigzag network held together by I...N halogen bonds is reported. In particular, the halogen-bond donor is 1,3-diiodoperchlorobenzene (C6I2Cl4) while the acceptor is the photoproduct rtct-tetrakis(pyridin-4-yl ...
Eric Bosch +3 more
doaj +1 more source
Formation of cyclobutane thymine dimers by tiaprofenic acid and its photoproducts: approach to the photosensitizer triplet state energy limit value [PDF]
RSC Advances, 2015 Cyclobutane thymine dimers, the major photoproducts produced in UV-irradiated DNA, are the main causative agents for mutagenesis and skin cancer. This lesion can also be initiated under UVA radiation, involving triplet–triplet energy transfer mechanism ...
Sandra Michaud +6 more
doaj +1 more source
Журнал органічної та фармацевтичної хімії, 2020 Aim. To synthesize cis- and trans-isomers of 3-(4-hydroxyphenyl)cyclobutanecarboxylic acid and evaluate the biological activity of their derivatives against GPR-40. Results and discussion.
I. O. Feskov +5 more
doaj +1 more source
The Synthesis of Functionalized Dimethylphosphinoyl Cyclopropanes and Cyclobutanes
Журнал органічної та фармацевтичної хімії, 2023 A simple preparative approach to a series of functionalized dimethylphosphinoyl-containing cyclopropanes and cyclobutanes has been developed; it is based on cyclocondensation of dimethylphosphinoyl acetonitrile with 1,2- and 1,3-dibromoalkanes. Synthetic
Anastasiia M. Aleksandrova +2 more
doaj +1 more source