Simultaneous and spontaneous oxidation and reduction in microdroplets by the water radical cation/anion pair

L Qiu, RG Cooks - Angewandte Chemie, 2022 - Wiley Online Library
Microdroplets show unique chemistry, especially in their intrinsic redox properties, and to
this we here add a case of simultaneous and spontaneous oxidation and reduction. We …

Capture of hydroxyl radicals by hydronium cations in water microdroplets

D Xing, Y Meng, X Yuan, S Jin, X Song… - Angewandte …, 2022 - Wiley Online Library
Despite the high stability of bulk water, water microdroplets possess strikingly different
properties, such as the presence of hydroxyl radicals (OH⋅) at the air–water interface …

Reaction acceleration promoted by partial solvation at the gas/solution interface

L Qiu, Z Wei, H Nie, RG Cooks - ChemPlusChem, 2021 - Wiley Online Library
The kinetics of organic reactions of different types in microvolumes (droplets, thin films, and
sealed tubes) show effects of gas/solution interfacial area, reaction molecularity and solvent …

Accelerated and Concerted Aza‐Michael Addition and SuFEx Reaction in Microdroplets in Unitary and High‐Throughput Formats

J Ghosh, J Mendoza, RG Cooks - … Chemie International Edition, 2022 - Wiley Online Library
The sulfur fluoride exchange (SuFEx) reaction is significant in drug discovery, materials
science, and chemical biology. Conventionally, it involves installation of SO2F followed by …

Accelerating electrochemical reactions in a voltage‐controlled interfacial microreactor

H Cheng, S Tang, T Yang, S Xu… - Angewandte Chemie …, 2020 - Wiley Online Library
Microdroplet chemistry is attracting increasing attention for accelerated reactions at the
solution–air interface. We report herein a voltage‐controlled interfacial microreactor that …

Two‐phase reactions in microdroplets without the use of phase‐transfer catalysts

X Yan, H Cheng, RN Zare - Angewandte Chemie, 2017 - Wiley Online Library
Many important chemical transformations occur in two‐phase reactions, which are widely
used in chemical, pharmaceutical, and polymer manufacturing. We present an efficient …

“On‐droplet” chemistry: the cycloaddition of diethyl azodicarboxylate and quadricyclane

RM Bain, S Sathyamoorthi, RN Zare - Angewandte Chemie, 2017 - Wiley Online Library
Sharpless and co‐workers previously studied the [2σ+ 2σ+ 2π] cycloaddition of diethyl
azodicarboxylate (DEAD) and quadricyclane and reported that the addition of water to the …

Chemoselective N‐alkylation of indoles in aqueous microdroplets

E Gnanamani, X Yan, RN Zare - … Chemie International Edition, 2020 - Wiley Online Library
Many reactions show much faster kinetics in microdroplets than in the bulk phase. Most
reported reactions in microdroplets mirror the products found in bulk reactions. However, the …

Reaction acceleration in thin films with continuous product deposition for organic synthesis

Z Wei, M Wleklinski, C Ferreira… - Angewandte Chemie, 2017 - Wiley Online Library
Thin film formats are used to study the Claisen–Schmidt base‐catalyzed condensation of 6‐
hydroxy‐1‐indanone with substituted benzaldehydes and to compare the reaction …

Accelerated forced degradation of pharmaceuticals in levitated microdroplet reactors

Y Li, Y Liu, H Gao, R Helmy… - … A European Journal, 2018 - Wiley Online Library
Forced degradation is a method of studying the stability of pharmaceuticals in order to
design stable formulations and predict drug product shelf life. Traditional methods of …