Výsledky vyhledávání - "Chen-Jiang Liu"

Akademický článek

Graphite-Supported Perchloric Acid (HClO4-C): An Efficient and Recyclable Heterogeneous Catalyst for the One-Pot Synthesis of Amidoalkyl Naphthols

Autor: Zhen-Kai Lei, Li Xiao, Xiao-Quan Lu, He Huang, Chen-Jiang Liu

Publikováno v: Molecules, Vol 18, Iss 2, Pp 1653-1659 (2013)

An efficient and direct protocol for the preparation of amidoalkylnaphthols employing a multi-component, one-pot condensation reaction of 2-naphthol, aromatic aldehydes and acetamide or benzamide in the presence of graphite supported perchloric acid

Externí odkaz: https://doaj.org/article/5909096363d24efc8847818afb7c7b8b

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Akademický článek

An Efﬁcient Synthesis of 1-Aryl-3-(indole-3-yl)-3-(2-aryl-1,2,3-triazol-4-yl)propan-1-one Catalyzed by a Brønsted Acid Ionic Liquid

Autor: Chuan-Ji Yu, Chen-Jiang Liu

Publikováno v: Molecules, Vol 15, Iss 12, Pp 9197-9204 (2010)

An efficient synthesis of novel 1-aryl-3-(indole-3-yl)-3-(2-aryl-1,2,3-triazol-4-yl)propan-1-ones from indoles and 1-aryl-3-(2-aryl-1,2,3-triazol-4-yl)propan-1-one using a Brønsted acid ionic liquid [Sbmim][HSO4] as catalyst is described. Satisfacto

Externí odkaz: https://doaj.org/article/9ad0c01b0eb44d22a3d960478888d47a

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Akademický článek

Ultrasound-Assisted Synthesis of Novel 4-(2-Phenyl-1,2,3-Triazol-4-yl)-3,4-Dihydropyrimidin-2(1H)-(Thio)ones Catalyzed by Sm(ClO4)3

Autor: Ji-De Wang, Chen-Jiang Liu

Publikováno v: Molecules, Vol 15, Iss 4, Pp 2087-2095 (2010)

An efficient synthesis of novel 4-(2-phenyl-1,2,3-triazol-4-yl)-3,4-dihydro-pyrimidin-2(1H)-(thio)ones from 1,3-dicarbonyl compounds, 2-phenyl-1,2,3-triazole-4-carbaldehyde and urea or thiourea under ultrasound irradiation and using samarium perchlor

Externí odkaz: https://doaj.org/article/be7b486aec034bf683404f0f9f16c40d

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Akademický článek

Conjugate Addition of Indoles to α,β-Unsaturated Ketones Using a Brønsted Acid Ionic Liquid as an Efficient Catalyst

Autor: Chuan-Ji Yu, Chen-Jiang Liu

Publikováno v: Molecules, Vol 14, Iss 9, Pp 3222-3228 (2009)

The Brønsted acid ionic liquid [PyN(CH2)4SO3H][p-CH3PhSO3] has been reported as an efficient catalyst for the Michael addition reaction of indoles to α,β-unsaturated ketones. Satisfactory results were obtained, with excellent yields and a simple e

Externí odkaz: https://doaj.org/article/e96a2aadc06a4daea473999d6c93cfb0

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Akademický článek

Ultrasound Promoted Synthesis of Bis(substituted pyrazol-4-ylcarbonyl)-Substituted Thioureas

Autor: Li Xiao, Yan-Ping Li, Chen-Jiang Liu

Publikováno v: Molecules, Vol 14, Iss 4, Pp 1423-1428 (2009)

A series of novel bis(substituted pyrazol-4-ylcarbonyl)-substituted thioureas have been synthesized by the reactions of substituted pyrazol-4-ylcarbonyl isothiocyanates with different diamines under ultrasound irradiation and classical heating method

Externí odkaz: https://doaj.org/article/5e46eed39fcd4c80ad36129a046037d3

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Akademický článek

Copper(II) Sulfamate: An Efficient Catalyst for the One-Pot Synthesis of 3,4-Dihydropyrimidine-2(1H)-ones and thiones

Autor: Ji-De Wang, Chen-Jiang Liu

Publikováno v: Molecules, Vol 14, Iss 2, Pp 763-770 (2009)

A simple, efficient procedure for the one-pot Biginelli condensation reaction of aldehydes, β-ketoesters and urea or thiourea employing copper(II) sulfamate as a novel catalyst is described. Compared to the classical Biginelli reaction conditions, t

Externí odkaz: https://doaj.org/article/f08066f89dc3491d8cee40e93560a702

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Akademický článek

N-[(3-Methyl-5-phenoxy-1-phenylpyrazol-4-yl)carbonyl]-N′-(5-propyl-1,3,4-thiadiazol-2-yl)thiourea

Autor: Yan-Ping Li, Chen-Jiang Liu, Gang Liu, Yan-Rong Sun

Publikováno v: Acta Crystallographica Section E, Vol 64, Iss 2, Pp o413-o413 (2008)

In the crystal structure of the title compound, C23H22N6O2S2, there are two intramolecular N—H...O hydrogen bonds. The propyl chain is disordered over two sites, with occupancy factors of 0.639 (5) and 0.361 (5).

Externí odkaz: https://doaj.org/article/bef294d70f984cf886c287509b8f76e5

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