Zobrazeno 1 - 10
of 28 692
pro vyhledávání: '"Metal-Free"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 2655-2667 (2024)
A transition-metal-free decarbonylation–oxidation protocol for the conversion of 3-arylbenzofuran-2(3H)-ones to 2-hydroxybenzophenones under mild conditions has been developed. NMR studies confirmed the role of in-situ-generated hydroperoxide in th
Externí odkaz:
https://doaj.org/article/d1f90b25d7f141ae9c857a8e080e2529
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 2577-2584 (2024)
A simple and versatile synthesis of arylboronates has been achieved by using triarylbismuthines as aryl radical sources under transition-metal-free and open-air conditions. Conventional methods required photoirradiation or electrolysis to generate ar
Externí odkaz:
https://doaj.org/article/efaf1d3c4d5246c98aa4d304d00df1bb
Publikováno v:
Green Energy & Environment, Vol 9, Iss 9, Pp 1407-1418 (2024)
At room temperature, the conversion of greenhouse gases into valuable chemicals using metal-free catalysts for dry reforming of methane (DRM) is quite promising and challenging. Herein, we developed a novel covalent organic porous polymer (TPE-COP) w
Externí odkaz:
https://doaj.org/article/96a71a8e97d145baacdae3002bdb885a
Publikováno v:
Green Synthesis and Catalysis, Vol 5, Iss 3, Pp 186-190 (2024)
Two types of poly-porphyrin-based heterogeneous photocatalysts including insoluble polymer and water-soluble nanoparticles exhibited excellent photocatalytic activity in visible-light-induced dehydrogenation in water. The extremely low catalyst loadi
Externí odkaz:
https://doaj.org/article/09b882db22784912a1f4599ac6f80ba8
Publikováno v:
Green Synthesis and Catalysis, Vol 5, Iss 3, Pp 200-204 (2024)
A metal-free, efficient and easy-to-hand protocol for the synthesis of 2-perfluoroalkylquinazolins has been achieved by Eosin B catalyzed radical cascade arylation/cyclization reaction of fluorinated imidoyl isothiocyanates with aryldiazonium Salts.
Externí odkaz:
https://doaj.org/article/356501a25da14bc6ada5cbea9ad240e9
Publikováno v:
Collagen and Leather, Vol 6, Iss 1, Pp 1-12 (2024)
Abstract Hydrophobicity enhancement of metal-free leather, which is crucial for improving its comprehensive performance, can be achieved by using amphiphilic copolymer retanning agents. However, the relationship between the sequential structure and t
Externí odkaz:
https://doaj.org/article/45a2d643f010453c9ec34c17b16672f2
Autor:
Novia Amalia Sholeha, Bintang Dewanto, Stella Jovita, Reva Edra Nugraha, Yun Hin Taufiq-Yap, Maria Ulfa, Anees Ameera Fauzi, Aishah Abdul Jalil, Hasliza Bahruji, Didik Prasetyoko
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100925- (2024)
The catalytic thermal conversion of carbon dioxide is essential for carbon capture, storage, and utilization, helping to reduce CO2 emissions and potentially stimulating future economic activities. Zeolite Y, ZSM-5, BEA, and A were synthesized using
Externí odkaz:
https://doaj.org/article/a666fc5f85964a5c87e380febdb5259c
Autor:
Nam Hee Kwon, Se‐Jun Kim, Tae‐Ha Gu, Jang Mee Lee, Myung Hwa Kim, Dooam Paik, Xiaoyan Jin, Hyungjun Kim, Seong‐Ju Hwang
Publikováno v:
Advanced Science, Vol 11, Iss 44, Pp n/a-n/a (2024)
Abstract Conductive 2D nanosheets have evoked tremendous scientific efforts because of their high efficiency as hybridization matrices for improving diverse functionalities of nanostructured materials. To address the problems posed by previously repo
Externí odkaz:
https://doaj.org/article/217a8945bd9c40b5bbc847ec0788f385
Autor:
Xiaogang Li, Xuesong Wang, Yan Wang, Yinfeng Tan, Dong Liu, Xueying Zhang, Youbin Li, Junyu Xu
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 6, Pp 101943- (2024)
An efficient, environmentally friendly, and metal-free method for the synthesis of functionalized tetrazole thioethers via the S-arylation of tetrazole-5-thiones using diaryliodonium salts as aryl transfer reagents has been developed. This novel meth
Externí odkaz:
https://doaj.org/article/37c81918ee3148999762c01b101109af
Publikováno v:
Main Group Metal Chemistry, Vol 47, Iss 1, Pp 1233-77 (2024)
Externí odkaz:
https://doaj.org/article/4e0e534a6148487dac57470ce2882caf