Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Qing-Bao Zhang"'
Publikováno v:
Advanced Science, Vol 11, Iss 14, Pp n/a-n/a (2024)
Abstract The collective total syntheses of (±)‐hosieines A–C with a cage‐like tetracyclic framework have been realized, which includes the first syntheses of hosieines B‐C. The key strategy of the synthesis employs a one‐pot domino reactio
Externí odkaz:
https://doaj.org/article/ebd50592f4094afa8802e283a869afc3
Publikováno v:
ChemPhotoChem. 5:240-244
Autor:
Pan-Feng Yuan, Qiang Liu, Qing-Bao Zhang, Li-Zhu Wu, Kai Liu, Liang-Lin Kai, Xue-Yang Wang, Yong-Liang Ban
Publikováno v:
Organic Letters. 21:885-889
The aerobic dehydrogenative cyclization of alkenes with easily accessible diselenides facilitated by visible light is reported. Notably, the features of this transition-metal-free protocol are pronounced efficiency and practicality, good functional g
Publikováno v:
Chemical Communications. 55:9701-9704
We developed a new means of activating aldoximes by an in situ generated thiocyanate radical from ammonium thiocyanate and molecular oxygen at room temperature. With a catalytic amount of organic dye aizenuranine as the photocatalyst, the dehydration
Publikováno v:
Green Chemistry. 20:5464-5468
A direct, redox-neutral, highly atom-economical and metal-free aerobic method for the synthesis of multi-substituted olefins via simply coupling ammonium thiocyanate with activated ketones is described. A series of multi-substituted olefins could be
Publikováno v:
Green Chemistry. 20:5479-5483
A new, facile, atom-economical and good regioselective method for the synthesis of benzoin bis-ethers has been developed via directly using readily available alkynes and alcohols as raw materials under visible light irradiation. The protocol utilizes
Autor:
Jianguo Fang, Yong-Liang Ban, Qiang Liu, Pan-Feng Yuan, Li-Zhu Wu, Shoujiao Peng, Qing-Bao Zhang
Publikováno v:
Green Chemistry. 19:5559-5563
The first visible-light driven aerobic oxidation for the direct selenation of (hetero)arenes has been developed at room temperature, providing an eco-friendly, atom-economical protocol to prepare unsymmetrical selenides from easily accessible diselen
Publikováno v:
Organic Letters. 18:5256-5259
We developed a visible-light driven oxo-acyloxylation of aryl alkenes with carboxylic acids and molecular oxygen. A metal-free photoredox system, consisting of an acridinium photocatalyst, an organic base, and molecular sieve (MS) 4 Å, promotes chem
Publikováno v:
Chemistry - A European Journal. 20:678-682
The first aerobic oxidative coupling of resveratrol and its analogues by mesoporous graphitic carbon nitride as a bioinspired catalyst with visible light has been developed. With this method, δ-viniferin and its analogues were synthesized in moderat
Publikováno v:
ChemInform. 47
In the presence of tetrabutylammonium fluoride and molecular sieves (MS) 4 A in DMF, an efficient autoxidation reaction of 2-oxindoles with ketones under air at room temperature has been developed. This approach may provide a green, practical, and me