Recent developments in the chemistry of sydnones and sydnone imines

AC Il'ya, SK Moiseev - Advances in Heterocyclic Chemistry, 2020 - Elsevier
The interest of the scientific community in sydnones and sydnone imines, the most known
mesoionic compounds, is grounded on their unusual molecular structures, specific physical …

Fully aromatic high performance thermoset via sydnone–alkyne cycloaddition

NV Handa, S Li, JA Gerbec, N Sumitani… - Journal of the …, 2016 - ACS Publications
We have developed an efficient synthetic platform for the preparation of a new class of high
performance thermosets based on the 1, 3-dipolar cycloaddition of a bifunctional sydnone …

Sydnone: synthesis, reactivity and biological activities

S Zerbib, M Khouili, M Catto… - Current Medicinal …, 2023 - benthamdirect.com
Sydnones are among the most well-known mesoionic compounds. Since their synthesis in
1935 by Earl and Mecknay, numerous researches have shown that the chemical behavior …

Synthesis and characterization of amphiphilic miktoarm star polymers based on sydnone-maleimide double cycloaddition

J Zhang, Q Zhang, S Zhou, Y Liu, W Huang - Polymer Chemistry, 2018 - pubs.rsc.org
A new approach to synthesizing amphiphilic miktoarm star polymers (MPEG) 2 (PCL) 2
based on sydnone-maleimide double cycloaddition (SMDC) was investigated using …

Spontaneous thermal crosslinking of a sydnone-containing side-chain polymer with maleimides through a convergent [3+ 2] dual cycloaddition/cycloreversion process …

W Huang, Z Jin, Z Shi, JJ Intemann, M Li, J Luo… - Polymer …, 2013 - pubs.rsc.org
A convergent [3+ 2] dual cycloaddition/cycloreversion process between sydnone and multi-
functional maleimides is reported as an efficient protocol for thermal crosslinking of …

Synthesis of Disiloxanes and MQ Resins with Sydnonyl Substituents

IA Cherepanov, ES Trankina, NG Frolova… - Silicon, 2022 - Springer
For the first time, the synthesis of disiloxanes and MQ resins with 4-thiosydonyl substituents
has been carried out. Disiloxanes with thiosydnonyl substituents were obtained by …

A photo-functional electro-optic polyimide with excellent high-temperature stability

J Chung, H Seo, J Lim, G Kim, MH Yi, JW Ka - Dyes and Pigments, 2019 - Elsevier
We herein report the preparation of a soluble polyimide from a photoreactive diamine and a
phenolic diamine, to which electro-optic (EO) properties were imparted by the introduction of …

Synthesis, properties and applications of self‐repairing carbohydrates as smart materials via thermally reversible DA bonds

M Guo, L Chen, T Fang, R Wang… - Polymers for …, 2021 - Wiley Online Library
Self‐healing carbohydrate polymers were synthesized by Diels‐Alder reaction. Intermediate
products and the carbohydrate matrices were characterized by Fourier transform infrared …

Sydnone-maleimide based cascading double 1, 3-dipolar cycloaddition for synthesis of “A (A′)+ B3” type hyperbranched polyimide

L Mao, X Ren, B Feng, Y Zhang, J Zhang… - Reactive and Functional …, 2022 - Elsevier
Abstract A new A (A′)+ B 3 approach to synthesizing hyperbranched polyimides (HBPIs)
based on sydnone-maleimide double cycloaddition (SMDC) was investigated. N …

[PDF][PDF] Cycloadditions with mesoionic dipoles: strategy and control

JG de la Concepción, RF Martínez, P Cintas… - Targets in Heterocyclic …, 2018 - soc.chim.it
The synthesis of and with mesoionic heterocycles is arguably an old field that enjoys
renaissances from time to time, given their great value as synthons toward other …