Efficient ball-mill procedure in the ‘green’ asymmetric

2011-9-9  The organocatalytic activity of (S)-proline-based dipeptides 1a–c has been evaluated in the asymmetric aldol reaction between representative ketones with various aromatic aldehydes under solvent-free conditions in a ball mill.In particular, the methyl ester of (S)-proline-(S)-tryptophan, (S,S)-1c, proved to be an efficient organocatalyst, and the aldol reaction proceeded with good chemical

ChemInform Abstract: Efficient Ball-Mill Procedure in

ChemInform Abstract: Efficient Ball-Mill Procedure in the ′Green′ Asymmetric Aldol Reaction Organocatalyzed by (S)-Proline-Containing Dipeptides in the Presence of Water.

10.1016/j.tet.2011.06.042 10.1016/j.tet.2011

The desired aldol products were obtained in high yields (up to 94%) and good enantioselectivities (up to 97% ee). 17a In addition, Li and co-workers examined dipeptide ( 1c -OH) in the asymmetric aldol reaction of different ketones and aldehydes in solid phase media (Al 2 O 3 ), using 1,4-diazabicyclo[2.2.2]octane as additive, observing

efficient ball mill procedure in the aldol reaction

José G. Hernández Eusebio Juaristi Efficient ball-mill procedure in the green asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water Tetrahedron 10.1016/j.tet.2011.06.042 67 36 (2011). Chat Online; efficient ball mill procedure in the green asymmetric

Asymmetric Aldol Reaction Organocatalyzed by (S)

2019-12-12  Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water. Tetrahedron 2011,67 (36),6953-6959.

Aldol condensation Research Papers Academia.edu

Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water Save to Library Download

(PDF) Direct aldol reactions catalyzed by 1,1,3,3

Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by ( S)-proline-containing dipeptides in the presence of water. By Eusebio Juaristi. Novel prolinamideeureas as organocatalysts for the asymmetric aldol reaction. By Panagiota R.

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José G. Hernández and Eusebio Juaristi, Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water, Tetrahedron, 67, 36, (6953), (2011).

Dr Eusebio Juaristi Areas de Investigacion RELAQ

2021-4-20  (3) J.G. Hernández y E. Juaristi, “Efficient Ball-Mill Procedure in the “Green” Asymmetric Aldol Reaction Organocatalyzed by (S)-Proline-Containing Dipeptides in the Presence of Water”, Tetrahedron, 67, 6953-6959 (2011).

(PDF) Solvent-free asymmetric aldol reaction

Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by ( S)-proline-containing dipeptides in the presence of water By Eusebio Juaristi New Simple Hydrophobic Proline Derivatives as Highly Active and Stereoselective Catalysts for the Direct Asymmetric Aldol Reaction in Aqueous Medium

Eusebio Juaristi Academia.edu

Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by ( S)-proline-containing dipeptides in the presence of water more by Eusebio Juaristi Publication Date: Sep 1, 2011

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() Efficient ball-mill procedure in the 'green . Efficient ball-mill procedure in the 'green' asymmetric aldol reaction organocatalyzed by ( S)-proline-containing dipeptides in the presence of water. Get Price

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Hernández, J.G.; Juaristi, E. Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water. Tetrahedron 2011, 67, 6953–6959. [Google Scholar]

Asymmetric Catalysis Home ICM

[23] Hernández J.G., Juaristi E., Efficient ball-mill procedure inthe ‘green’ asymmetric aldol reaction organocatalyzed by(S)-proline-containing dipeptides in the presence of

José G. Hernández Senior Research Associate

Efficient Ball-Mill Procedure in the “Green” Asymmetric Aldol Reaction Organocatalyzed by (S)-Proline-Containing Dipeptides in the Presence of Water Tetrahedron Sept. 2011 The organocatalytic activity of (S)-proline-based dipeptides 1a–c has been evaluated in the asymmetric aldol reaction between representative ketones with various

Reacciones asimétricas organocatalizadas en ausencia

Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water. Tetrahedron, 67 (2011), pp.

Dr Eusebio Juaristi Areas de Investigacion RELAQ

2021-4-20  (3) J.G. Hernández y E. Juaristi, “Efficient Ball-Mill Procedure in the “Green” Asymmetric Aldol Reaction Organocatalyzed by (S)-Proline-Containing Dipeptides in the Presence of Water”, Tetrahedron, 67, 6953-6959 (2011).

Aldol condensation Research Papers Academia.edu

The title compound, [email protected], is the aldol condensation product of bindone with indazole-3-carbaldehyde followed by double intermolecular cyclization.The asymmetric unit, which has monoclinic P2 1 /c symmetry, contains two independent molecules of the title compound and three acetonitrile molecules.

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2021-2-15  Ball Mill Stone Crusher And Mill. 05/11/2015 The ball mill is a key equipment to grind the crushed materials, and the ball mill is widely used in powder-making production line including cement, silicate, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and non-ferrous metal, Limestone ceramics, etc, and the ball mill can grind various ores and other

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() Efficient ball-mill procedure in the 'green . Efficient ball-mill procedure in the 'green' asymmetric aldol reaction organocatalyzed by ( S)-proline-containing dipeptides in the presence of water. Get Price

Eusebio Juaristi Academia.edu

Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by ( S)-proline-containing dipeptides in the presence of water more by Eusebio Juaristi Publication Date: Sep 1, 2011

BJOC Mechanochemistry assisted asymmetric

2012-10-19  Aldol reaction. Since the origin of organocatalysis, the asymmetric aldol reaction has been one of the most intensely studied reactions, providing an easy access to chiral β-hydroxycarbonyl compounds, which are important building blocks for various bioactive molecules .Among different organocatalysts used for asymmetric aldol reactions, proline and its derivatives emerged as powerful

Dr Eusebio Juaristi Areas de Investigacion

2020-2-12  (29) J.G. Hernández y E. Juaristi, “Efficient Ball-Mill Procedure in the “Green” Asymmetric Aldol Reaction Organocatalyzed by (S)-Proline-Containing Dipeptides in the Presence of Water”, Tetrahedron, 67, 6953-6959 (2011).

Reacciones asimétricas organocatalizadas en ausencia

Efficient ball-mill procedure in the ‘green’ asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water. Tetrahedron, 67 (2011), pp.

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Диссертация на тему «Разработка

132. Hernández J.G., Juaristi E. Efficient ball-mill procedure in the 'green' asymmetric aldol reaction organocatalyzed by (S)-proline-containing dipeptides in the presence of water// Tetrahedron Lett., 2011, Vol. 67, № 36, P. 6953-6959 133.

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J.G. Hernández y E. Juaristi, “Efficient Ball-Mill Procedure in the “Green” Asymmetric Aldol Reaction Organocatalyzed by (S)-Proline-Containing Dipeptides in the Presence of

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2021-2-15  Ball Mill Stone Crusher And Mill. 05/11/2015 The ball mill is a key equipment to grind the crushed materials, and the ball mill is widely used in powder-making production line including cement, silicate, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and non-ferrous metal, Limestone ceramics, etc, and the ball mill can grind various ores and other

Water versus Solvent-free Conditions for the

2017-11-23  Water versus Solvent-free Conditions for the Enantioselective Inter- and Intramolecular Aldol Reaction Employing L-Prolinamides and L- Prolinethioamides as Organocatalysts Diana Almaşi, Diego A. Alonso,* Andrea-Nekane Balaguer, and Carmen Nájera* a Departamento de Química Orgánica and Instituto de Síntesis Orgánica (ISO), Facultad de Ciencias, Universidad de Alicante, Apartado 99,