Results 51 to 60 of about 1,584,934 (220)

Thermal Stability and Explosive Hazard Assessment of Diazo Compounds and Diazo Transfer Reagents

, 2019
Despite their wide use in academia as metal-carbene precursors, diazo compounds are often avoided in industry owing to concerns over their instability, exothermic decomposition, and potential explosive behavior. The stability of sulfonyl azides and other
Sebastian P. Green (6596873), Jason P. Hallett (1314336), Andrew D. Payne (6596876), Katherine M. Wheelhouse (6596879), James A. Bull (1297749), Philip W. Miller (1626484)   +5 more
core   +2 more sources

S‐Nitrosothiols as Thiol‐Protecting Groups for Controlled Thiol‐Maleimide Crosslinking of Homogeneous Soft Hydrogels

Advanced Materials, EarlyView.
Rapid thiol‐maleimide addition frequently outpaces mixing, resulting in heterogeneous hydrogels. S‐nitrosothiols act as thiol‐protecting groups, allowing uniform mixing with maleimide‐functionalized polymers before gelation. Sodium thiosulfate or sodium ascorbate then regenerates thiols on demand, triggering controlled thiol‐maleimide crosslinking ...
Julian A. Serna, Michelle J. Iwohn, Maximilian Seifermann, Stefan Heißler, Maike Schliephake, Franziska Dopp, Claudia Muhle‐Goll, Pavel A. Levkin   +7 more
wiley   +1 more source

CXLI.—The rate of decomposition of diazo-compounds. Part I. Diazo-compounds of the benzene series [PDF]

J. Chem. Soc., Trans., 1902
n ...
Cain, John Cannell, Nicoll, Frank
openaire   +1 more source

Development of Novel Methodology for the in situ Preparation of Halodiazo Compounds and Investigation of Reactivities of α-Onium Diazo Compounds

, 2014
Diazo compounds have great synthetic potential as versatile reagents in organic synthesis. The formation of Rh(II) carbenoids from diazo compounds allows the selective formation of C-C and C-heteroatom bonds and the introduction of functionality into ...
Schnaars, Christian
core   +1 more source

Coupling reactions using flow-generated diazo compounds [PDF]

, 2017
In recent years, the exploitation of flow technologies as an enabling tool to access unique chemical reactivity has flourished. This dissertation describes the utilisation of these flow methods to access new sets of highly versatile, unstable diazo ...

core   +2 more sources

Enhanced Mechanical Recycling of Polymer Mixtures by a Trifunctional Dynamic Crosslinker

Advanced Materials, EarlyView.
A self‐catalyzed, trifunctional dynamic crosslinker that incorporates three desired properties into one system and is compatible with reactive extrusion can compatibilize waste plastic mixtures containing high Tm polymers and impart the recycled mixtures with superior thermoset properties such as enhanced creep resistance and thermomechanical stability
Xavier Westworth, Essa Shamsan, Yunpeng Gao, Nevaya Carr, Eugene Y.‐X. Chen   +4 more
wiley   +1 more source

XXII.—The rate of decomposition of diazo compounds. Part II. Diazo-compounds of the naphthalene series [PDF]

J. Chem. Soc., Trans., 1903
n ...
Cain, John Cannell, Nicoll, Frank
openaire   +1 more source

Copper-Catalyzed Oxyvinylation of Diazo Compounds [PDF]

Organic Letters, 2020
A copper(I)-catalyzed vinylation of diazo compounds with vinylbenziodoxolone reagents (VBX) as partners is reported. The transformation tolerates diverse functionalities on both reagents delivering polyfunctionalized vinylated products. The strategy was successfully extended to a three-component/intermolecular version with alcohols.
Guillaume Pisella, Alec Gagnebin, Jerome Waser   +2 more
openaire   +3 more sources

Enantioselective Access to Trifluoromethylated Spirocyclopropyl Heterocycles

Advanced Science, EarlyView.
We report a rhodium‐catalyzed asymmetric [2+1] spirocyclopropanation of methylene azacycles with trifluoromethyl carbenes in situ derived from fluoroalkyl triftosylhydrazones. ABSTRACT Chiral spirocyclopropyl heterocycles have emerged as privileged three‐dimensional structural motifs in medicinal chemistry.
Yuanhao Zhu, Youzhi Xu, Weitao Zhang, Yongyue Ning, Yaojia Jiang, Yongquan Ning, Genping Huang, Jiawei Cheng, Paramasivam Sivaguru, Xihe Bi   +9 more
wiley   +1 more source

Facile and diastereoselective arylation of the privileged 1,4-dihydroisoquinolin-3(2H)-one scaffold

Beilstein Journal of Organic Chemistry, 2022
A practically convenient and streamlined protocol for the trans-diastereoselective introduction of an aryl substituent at position 4 of the 1,4-dihydroisoquinol-3-one (1,4-DHIQ) scaffold is presented.
Dmitry Dar’in, Grigory Kantin, Alexander Bunev, Mikhail Krasavin   +3 more
doaj   +1 more source