Results 71 to 80 of about 451,004 (214)

Chemical Strategies for Multistimuli Responsive Dynamic Covalent Materials in Regenerative Medicine

Advanced Healthcare Materials, Volume 15, Issue 38, 16 October 2026.
Multistimuli responsive dynamic covalent materials integrate reversible chemistry with the complex chemical, mechanical, and biochemical cues of regenerative environments. This review highlights chemical strategies based on orthogonal dynamic bonds, multicomponent networks, and hierarchical architectures to regulate mechanics, degradation, and ...
Saurabh Joshi, Matthew B. Baker, Dominik Schauenburg   +2 more
wiley   +1 more source

1,3-Dipolar Cycloaddition for the Generation of Nanostructured Semiconductors by Heated Probe Tips

, 2016
1,3-Dipolar Cycloaddition for the Generation of Nanostructured Semiconductors by Heated Probe ...
Uwe H. F. Bunz (1393282), William P. King (1668400), Selma Bakbak (2525893), Peter J. Leech (2525896), Bradley E. Carson (2412643), Shubham Saxena (2525890)   +5 more
core   +1 more source

Synthesis of 1,4-naphthoquinone derivatives using 1,3-dipolar cycloaddition and Sonogashira reactions

Orbital: The Electronic Journal of Chemistry, 2010
Naphthoquinones are known according to their important bio-activities, such as their antitumoral and topoisomerase inhibition properties. From 2-azido (3) or 2,3-diacetylene-1,4-naphthoquinone (4) it was possible to obtain triazole derivatives ...
Wilson Silva do Nascimento, Mauro Gomes da Silva, Ronaldo Nascimento de Oliveira, Celso Amorim Câmara   +3 more
doaj  

New Quinazolin-4(3H)-One Derivatives Incorporating Isoxazole Moiety as Antioxidant Agents: Synthesis, Structural Characterization, and Theoretical DFT Mechanistic Study

Pharmaceuticals
Background: This research centers on the development and spectroscopic characterization of new quinazolin-4(3H)-one-isoxazole derivatives (5a–e). The aim was to investigate the regioselectivity of the 1,3-dipolar cycloaddition involving arylnitriloxides ...
Yassine Rhazi, Riham Sghyar, Noemi Deak, Bouchra Es-Sounni, Bouchra Rossafi, Albert Soran, Mustapha Laghmari, Azize Arzine, Asmae Nakkabi, Khalil Hammani, Samir Chtita, Mohammed M. Alanazi, Gabriela Nemes, Mohamed El. Yazidi   +13 more
doaj   +1 more source

1,3-Dipolar Cycloadditions of N-Benzyl Furfuryl Nitrones with Electron-rich Alkenes

Molecules, 2000
The 1,3-dipolar cycloaddition reaction of N-benzyl-C-(2-furyl)nitrones with electron-rich alkenes gives preferentially trans-substituted 3,5-disubstituted isoxazolidines (endo approach).
Tomas Tejero, Francisco L. Merchan, Sonia Anoro, Pedro Merino   +3 more
doaj   +1 more source

Intramolecular 1,3-dipolar cycloaddition of cyclo-1,3-diene-tethered nitrile oxides

, 2020
-Intramolecular 1,3-dipolar cycloaddition of cyclo-1,3-diene-and -1,3,5-triene-tethered nitrile oxides gave tricyclic isoxazolines as a single stereoisomer in most cases.
Kumar Reddy, Chi-Fen Jou, N Ravi, Ming-Chang P Yeh, Wei-Tzou Yeh, Da-Yu Chiu   +5 more
core  

INTRAMOLECULAR 1,3-DIPOLAR CYCLOADDITION OF ALKYLAZIDE-ENONES AND REARRANGEMENTS OF THE TRIAZOLINE INTERMEDIATES [PDF]

, 2011
[[abstract]]The intramolecular 1,3-dipolar cycloaddition of alkylazide-enones is followed by several novel rearrangements.[[fileno]]2010328010017[[department ...
SHA, CK;OUYANG, SL;HSIEH, DY;HSEU, TH
core   +1 more source

A Diastereoselective Synthesis of Dispiro[oxindole-cyclohexanone]pyrrolidines by 1,3-Dipolar Cycloaddition

Molecules, 2017
For the first time, arylmethylidene cyclohexanones that are non-symmetrical due to the presence of peripheral substituents were studied in 1,3-dipolar cycloaddition reactions.
Alexander Anis’kov, Irina Klochkova, Roman Tumskiy, Alevtina Yegorova   +3 more
doaj   +1 more source

Efficient synthesis of 1,3-diaryl-4-halo-1H-pyrazoles from 3-arylsydnones and 2-aryl-1,1-dihalo-1-alkenes

Beilstein Journal of Organic Chemistry, 2011
An efficient synthesis of 1,3-diaryl-4-halo-1H-pyrazoles was achieved. The synthesis involves the [3 + 2] dipolar cycloaddition of 3-arylsydnones and 2-aryl-1,1-dihalo-1-alkenes. The process proceeds smoothly in moderate to excellent yields. 1,3-Diaryl-4-
Yiwen Yang, Chunxiang Kuang, Hui Jin, Qing Yang, Zhongkui Zhang   +4 more
doaj   +1 more source

Highly Enantioselective 1,3-Dipolar Cycloaddition of Azomethine Ylides Catalyzed by Copper(I)/TF-BiphamPhos Complexes

, 2016
Highly Enantioselective 1,3-Dipolar Cycloaddition of Azomethine Ylides Catalyzed by Copper(I)/TF-BiphamPhos ...
Gang Liang (120372), Feng Gao (3548), Zhi-Yong Xue (1491007), Chun-Jiang Wang (1491001)   +3 more
core   +1 more source