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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, Yusheng Xie
exaly   +3 more sources

Cycloreversion-enhanced toughness and degradability in mechanophore-embedded end-linked polymer networks [PDF]

Nature Communications
Enhancing 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 Communications
Owing 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, Tatsuya Seko, Kazuhiro Okamoto, Kazuhide Ueno, Mahito Atobe, Naoki Shida   +5 more
doaj   +2 more sources

Kaemphenolide: a cyclobutane-bearing phenylpropanoid from Kaempferia galanga L. with nitric oxide inhibitory activity [PDF]

Natural Products and Bioprospecting
An 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, Yusaku Miyamae, Hiroyuki Fuchino, Nobuo Kawahara   +3 more
doaj   +2 more sources

Synthesis of cyclobutane analogues

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, Zhan Qian Song, Zong De Wang, Shi Bin Shang, Zhao Sheng Cai   +4 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, Tatyana A. Gloriozova, Vladimir V. Poroikov   +2 more
doaj   +1 more source

Halogen-bonded co-crystal containing 1,3-diiodoperchlorobenzene and the photoproduct rtct-tetrakis(pyridin-4-yl)cyclobutane resulting in a zigzag topology

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, Daniel K. Unruh, Carlos L. Santana, Ryan H. Groeneman   +3 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, Alona S. Cherednichenko, Yuliya V. Rassukana   +2 more
doaj   +1 more source

The synthesis of cis- and trans-3-(4-hydroxyphenyl)cyclobutanecarboxylic acids and the study of their derivatives as GPR-40 receptor ligands

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, I. S. Kondratov, Yu. O. Kuchkovska, V. S. Naumchyk, O. V. Onopchenko, O. O. Grygorenko   +5 more
doaj   +1 more source

Halogen-Bond Mediated [2+2] Photodimerizations: À la Carte Access to Unsymmetrical Cyclobutanes in the Solid State

Molecules, 2022
The ditopic halogen-bond (X-bond) donors 1,2-, 1,3-, and 1,4-diiodotetrafluorobenzene (1,2-, 1,3-, and 1,4-di-I-tFb, respectively) form binary cocrystals with the unsymmetrical ditopic X-bond acceptor trans-1-(2-pyridyl)-2-(4-pyridyl)ethylene (2,4-bpe ...
Jay Quentin, Eric W. Reinheimer, Leonard R. MacGillivray   +2 more
doaj   +1 more source