Zobrazeno 1 - 10
of 21 289
pro vyhledávání: '"aldol reaction"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 684-691 (2024)
The new chiral ligands I–III based on derivatives of imidazolidin-4-one were synthesised and characterised. The catalytic activity and enantioselectivity of their corresponding copper(II) complexes were studied in asymmetric Henry reactions. It was
Externí odkaz:
https://doaj.org/article/9bdc2c9342f04da0a93913a2f5d4c7a7
Publikováno v:
Green Chemistry Letters and Reviews, Vol 17, Iss 1 (2024)
A less hazardous, environmentally friendly, and energy-efficient Knoevenagel reaction performed using proline as a catalyst has been designed and implemented within a sophomore-level organic chemistry laboratory as a guided inquiry activity. The main
Externí odkaz:
https://doaj.org/article/da5888f7be954c8dae69fdf757fa179e
Akademický článek
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Autor:
Samson Lalhmangaihzuala, Vanlalngaihawma Khiangte, Zathang Laldinpuii, Lal Nunnemi, Joute Malsawmsanga, Gospel Lallawmzuali, Thanhming Liana, Chhakchhuak Lalhriatpuia, Zodinpuia Pachuau, Khiangte Vanlaldinpuia
Publikováno v:
Chemistry, Vol 5, Iss 4, Pp 2362-2375 (2023)
The preparation of a new class of six bifunctional thiourea organocatalysts having a D-fructose scaffold and a primary amino group was demonstrated. In the present study, the novel organocatalysts exhibited excellent enantio- and moderate diastereose
Externí odkaz:
https://doaj.org/article/ae7a1a37385e4e29a1cc47c31e221b90
Autor:
Mariano Nigro, Israél Sánchez-Moreno, Raúl Benito-Arenas, Ana L. Valino, Adolfo M. Iribarren, Nicolás Veiga, Eduardo García-Junceda, Elizabeth S. Lewkowicz
Publikováno v:
Biomolecules, Vol 14, Iss 7, p 750 (2024)
Dihydroxyacetone phosphate (DHAP)-dependent aldolases catalyze the aldol addition of DHAP to a variety of aldehydes and generate compounds with two stereocenters. This reaction is useful to synthesize chiral acyclic nucleosides, which constitute a we
Externí odkaz:
https://doaj.org/article/97750176530743d3a98878672c34bcfe
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 428-433 (2023)
Latrunculins are marine toxins used in cell biology to block actin polymerization. The development of new synthetic strategies and methods for their synthesis is thus important in order to improve, modulate or control this biological value. The total
Externí odkaz:
https://doaj.org/article/825e4a6224ea40e2897014596d68d2f0
Akademický článek
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Akademický článek
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Publikováno v:
Tetrahedron Chem, Vol 7, Iss , Pp 100044- (2023)
A novel NHC-catalyzed regiodivergent reaction of ynones with trifluoromethyl ketones consisting of Aldol reactions and intermolecular [3 + 2] annulations has been developed. Employing two different NHC catalysts, various tertiary alcohols and dihyrof
Externí odkaz:
https://doaj.org/article/878cf0aff566451e9eb54bee4b5a5dbf
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 8, Pp 104933- (2023)
Using poly(acrylic acid) (abbreviated as PAA) as a shell, bimodal mesoporous silicas (abbreviated as BMMs) as a core, and bipyridine-proline (abbreviated as Z) as an active species, a facile approach for preparation of the P-Z@BMMs nanocomposites wit
Externí odkaz:
https://doaj.org/article/b4f324c4187246c4aba5f0a455ffd97c