Access to 1-aryl-pyrazolin-5-ones via photoinduced chemoselective cyclization of N -methacrylo aldehyde hydrazones.

Autor: Yu S; School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China. yujintao@cczu.edu.cn., Cheng Y; School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China. yujintao@cczu.edu.cn., Pan C; School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China. yujintao@cczu.edu.cn.; School of Chemistry and Chemical Engineering, Jiangsu University of Technology, Changzhou 213001, P. R. China. panchangduo@jsut.edu.cn., Yu JT; School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China. yujintao@cczu.edu.cn.

Publikováno v: Chemical communications (Cambridge, England) [Chem Commun (Camb)] 2024 Dec 19. Date of Electronic Publication: 2024 Dec 19.

Chemoselective cyclization of 3-arylamino-2-hydroxy-tetrahydroindol-4-one in water at room temperature

Autor: Rahimi, Fatemeh ^a, Bayat, Mohammad ^{a, ∗}, Hosseini, Fahimeh Sadat ^a, Kozakiewicz, Anna ^b

Publikováno v: In Heliyon April 2019 5(4)

Chemoselective cyclization of 3-arylamino-2-hydroxy-tetrahydroindol-4-one in water at room temperature

Autor: Fatemeh Rahimi, Mohammad Bayat, Fahimeh Sadat Hosseini, Anna Kozakiewicz

Publikováno v: Heliyon, Vol 5, Iss 4, Pp e01456- (2019)

A convenient and green protocol is developed for the chemoselective synthesis of indole derivatives by the one-pot, multi-component reaction of 5,5-dimethyl-3-(arylamino)cyclohex-2-enone derivatives (derived from the addition of various anilines to d

Externí odkaz: https://doaj.org/article/2d4147e58ec4478d9c09180d9aa554ea

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A Novel Synthesis of 1-Acetyl-4-Isopropenyl-1-Cyclopentene by Chemoselective Cyclization of 4-Methyl-3-(Oxobutyl)-4-Pentenal: An Important Intermediate for Natural Product Synthesis

Autor: Castro Fernando de Lima, Kover Renata Xavier, Kover Warner Bruce, Jones Jr Joel

Publikováno v: Journal of the Brazilian Chemical Society, Vol 10, Iss 2, Pp 112-116 (1999)

This article presents the direct oxidation of limonene-oxide 1 with KIO4 in water, which is the best way to obtain the keto-aldehyde 3, an important intermediate in natural product synthesis. The cyclization of keto-aldehyde 3 with acidic Al2O3 proce

Externí odkaz: https://doaj.org/article/12f6c94b6588451cba40135ffd2d3401