Zobrazeno 1 - 10
of 3 604
pro vyhledávání: '"catalyst-free"'
Publikováno v:
Results in Chemistry, Vol 11, Iss , Pp 101844- (2024)
In the current work, a new series of methyl-10-amino-9-cyano-6-oxo-8-aryl-6,8-dihydro-5H-pyrido[1,2-a]quinoxaline-7-carboxylate derivatives were efficiently designed and prepared using a convenient route in excellent yields by four-component reaction
Externí odkaz:
https://doaj.org/article/f08bf2b3b2754d58ad5c4eaa24688a90
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-8 (2024)
Abstract The study introduces a groundbreaking continuous system that combines an extruder and grinder to enable catalyst-free and solvent-free reactions under mild conditions. This temperature-controlled system facilitates the synthesis of highly fu
Externí odkaz:
https://doaj.org/article/c01b84ab4118498397b6e804b55e1b9b
Akademický článek
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Akademický článek
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Autor:
Yunyi Zhao, Zekun Yang, Xin Wang, Qinchun Kang, Bobo Wang, Tianle Wu, Hao Lei, Peile Ma, Wenqiang Su, Siyuan Wang, Zhiqiang Wu, Xinsong Huang, Chunying Fan, Xiaofeng Wei
Publikováno v:
Advanced Science, Vol 11, Iss 33, Pp n/a-n/a (2024)
Abstract α‐halo alkylboronic esters, acting as ambiphilic synthons, play a pivotal role as versatile intermediates in fields like pharmaceutical science and organic chemistry. The sequential transformation of carbon–boron and carbon–halogen bo
Externí odkaz:
https://doaj.org/article/a869f85f81b24bff99a8e53d5a9e01c1
Publikováno v:
Advanced Science, Vol 11, Iss 32, Pp n/a-n/a (2024)
Abstract The transition metal‐catalyzed multi‐component cross‐electrophile sulfonylation, which incorporates SO2 as a linker within organic frameworks, has proven to be a powerful, efficient, and cost‐effective means of synthesizing challengi
Externí odkaz:
https://doaj.org/article/743ec745251444e88447fc8341144ca3
Autor:
Farzaneh Mohamadpour
Publikováno v:
Results in Chemistry, Vol 9, Iss , Pp 101629- (2024)
A manufactured protocol that is both helpful and free of catalyst has been presented for the production of dihydropyrano[2,3-c]pyrazole frameworks in polyfluorinated alcohol as a reusable promoting medium. All reactions are completed quickly, and the
Externí odkaz:
https://doaj.org/article/cd4c20f801fc4a589f15a936a0f1a1c4
Publikováno v:
Tetrahedron Green Chem, Vol 3, Iss , Pp 100035- (2024)
A catalyst-free synthesis of various 2-alkyl or aryl-substituted benzothiazoles and benzimidazoles has been developed at room temperature by simply combining alkyl or arylaldehydes with ortho-phenylenediamines and 2-aminothiophenols, respectively. Th
Externí odkaz:
https://doaj.org/article/b1b7387dfa94483e8547d35b943eb643
Autor:
Elkamhawy Ahmed, Jaragh-Alhadad Laila, Mekheimer Ramadan Ahmed, Abdullah Omeima, Abd-Elmonem Mohamed, Moustafa Moustafa Sherief, Abdel-Hameed Afaf, Mohamed Tahany Mahmoud, Sadek Kamal Usef
Publikováno v:
Green Processing and Synthesis, Vol 12, Iss 1, Pp 473-93 (2023)
Externí odkaz:
https://doaj.org/article/d8aef1ff7ce343b7969731556d1a3ffe
Publikováno v:
Molecules, Vol 29, Iss 16, p 3723 (2024)
A base-induced synthesis of 2-(4-(2-(phenylthio)ethyl)piperazinyl) acetonitriles by reaction of disulfides, 1-(chloromethyl)-4-aza-1-azonia bicyclo[2.2.2]octane chloride and trimethylsilyl cyanide is reported. The scope of the method is demonstrated
Externí odkaz:
https://doaj.org/article/0e08e3da2646492b936403a61195fd97