Results 1 to 10 of about 4,288,781 (386)

Beyond a solvent: triple roles of dimethylformamide in organic chemistry

RSC Advances, 2018
N,N-Dimethylformamide (DMF) is frequently used as an aprotic solvent in chemical transformations in laboratories of academia as well as in those of chemical industry.
M. Heravi, M. Ghavidel, Leyla Mohammadkhani   +2 more
semanticscholar   +1 more source

Bromine radical as a visible-light-mediated polarity-reversal catalyst

iScience, 2021
Summary: Polarity-reversal catalysts enable otherwise sluggish or completely ineffective reactions which are characterized by unfavorable polar effects between radicals and substrates. We herein disclose that when irradiated by visible light, bromine can
Han Wang, Haiwang Liu, Mu Wang, Meirong Huang, Xiangcheng Shi, Tonglin Wang, Xu Cong, Jianming Yan, Jie Wu   +8 more
doaj   +1 more source

Catalytic Asymmetric Formal [3+2] Cycloaddition of Azoalkenes with 3-Vinylindoles: Synthesis of 2,3-Dihydropyrroles

iScience, 2020
Summary: Chiral phosphoric acid-catalyzed highly enantioselective formal [3 + 2] cycloaddition reaction of azoalkenes with 3-vinylindoles has been established.
Guang-Jian Mei, Wenrui Zheng, Théo P. Gonçalves, Xiwen Tang, Kuo-Wei Huang, Yixin Lu   +5 more
doaj   +1 more source

Synthesis of poly-α/β-peptides with tunable sequence via the copolymerization on N-carboxyanhydride and N-thiocarboxyanhydride

iScience, 2021
Summary: The fascinating functions of proteins and peptides in biological systems have attracted intense interest to explore their mimics using polymers, including polypeptides synthesized from polymerization.
Min Zhou, Jingcheng Zou, Longqiang Liu, Ximian Xiao, Shuai Deng, Yueming Wu, Jiayang Xie, Zihao Cong, Zhemin Ji, Runhui Liu   +9 more
doaj   +1 more source

A Unified Monte Carlo Treatment of Gas-Grain Chemistry for Large Reaction Networks. II. A Multiphase Gas-Surface-Layered Bulk Model

, 2012
The observed gas-phase molecular inventory of hot cores is believed to be significantly impacted by the products of chemistry in interstellar ices. In this study, we report the construction of a full macroscopic Monte Carlo model of both the gas-phase ...
Herbst, E., Vasyunin, A. I.
core   +1 more source

Recent developments in one-pot stepwise synthesis (OPSS) of small molecules

iScience, 2022
Summary: One-pot synthesis is an active topic in organic chemistry due to its intrinsic advantages of simple operation, high mass efficiency, low cost, and less amount of waste disposal.
Xiaoming Ma, Wei Zhang
doaj   +1 more source

The Revival of Organic Chemistry [PDF]

Science, 1900
n ...
openaire   +3 more sources

Direct allylic acylation via cross-coupling involving cooperative N‑heterocyclic carbene, hydrogen atom transfer, and photoredox catalysis

Nature Communications, 2023
Herein, we report a mild, operationally simple, multicatalytic method for the synthesis of β,γ-unsaturated ketones via allylic acylation of alkenes. Specifically, the method combines N‑heterocyclic carbene catalysis, hydrogen atom transfer catalysis, and
Xiaochen Wang, Rongxin Yang, Binbing Zhu, Yuxiu Liu, Hongjian Song, Jianyang Dong, Qingmin Wang   +6 more
doaj   +1 more source

Microwave-assisted rapid and sustainable synthesis of unsymmetrical azo dyes by coupling of nitroarenes with aniline derivatives

iScience, 2022
Summary: Aromatic azo dyes are of immense commercial importance, and the development of greener routes for their synthesis is imperative due to current environmental concerns.
Ankit Thakuri, Mainak Banerjee, Amrita Chatterjee   +2 more
doaj   +1 more source

Highly Reactive Cyclic Monoaryl Iodoniums Tuned as Carbene Generators Couple with Nucleophiles under Metal-Free Conditions

iScience, 2020
Summary: Cross-coupling reactions between aryl iodide and nucleophiles have been well developed. Iodoniums equipped with a reactive C-I(III) bond accelerate cross-coupling reactions of aryl iodide.
Haiwen Wang, Liyun Liang, Zhirong Guo, Hui Peng, Shuang Qiao, Nemai Saha, Daqian Zhu, Wenbin Zeng, Yunyun Chen, Peng Huang, Shijun Wen   +10 more
doaj   +1 more source