Results 11 to 20 of about 3,335 (198)

Morita-Baylis-Hillman and Rauhut-Currier Reactions of Conjugated Nitroalkenes [PDF]

open access: yesCHIMIA, 2012
?-Functionalization of conjugated nitroalkenes and nitrodienes using various electrophiles in the presence of amine catalysts such as imidazole and DMAP and the synthetic applications of the products are reviewed.
Kirandeep Kaur, Irishi N. N. Namboothiri
doaj   +2 more sources

Fatty acid nitroalkenes regulate intestinal lipid absorption [PDF]

open access: yesJournal of Lipid Research
Fatty acid nitroalkenes (NO2-FA) are tissue-protective and anti-inflammatory endogenous lipid mediators. A unique electrophilic character promotes reversible reactions with protein thiols, influencing key cellular functions. Given their generation during
Francisco J. Schopfer   +6 more
doaj   +2 more sources

Recent Advances in Benzannulation Approaches to Aromatic Frameworks [PDF]

open access: yesChemistry – An Asian Journal, Volume 21, Issue 13, 14 July 2026.
This review summarizes benzannulation strategies reported over the past 5 years, highlighting recent advances that enable efficient access to structurally diverse and highly substituted arenes through both transition‐metal‐catalyzed and metal‐free approaches.
Heeeun Kim, Yonghoon Kwon
wiley   +2 more sources

Solvent-free aziridination of α-nitroalkenes

open access: yesTetrahedron, 1998
Abstract NsONHCO 2 Et in the presence of CaO reacts without solvent with α-nitroalkenes to give 1-(ethoxycarbonyl)-2-nitroaziridines (62–84%). A possible involvement of an aza-Michael route is proposed on the basis of regio- and stereochemical reaction outcome, compared also with the results of thermolysis of ethyl azidoformate on the same α ...
FIORAVANTI, Stefania   +4 more
openaire   +3 more sources

Aziridination of Conjugated Nitroalkenes

open access: yesTetrahedron Letters, 1997
Abstract The recently proposed amination methodology based on solid bases induced decomposition of arenesulphonyloxycarbamates (ArSO 3 NHCO 2 Et) has been applied to α-nitroalkenes. α-Nitroaziridines have been obtained in high yields and purity, under mild conditions.
FIORAVANTI, Stefania   +4 more
core   +5 more sources

Enantioselective hydroxylation of nitroalkenes: an organocatalytic approach

open access: yesChemical Communications, 2007
An easy hydroxylation of aliphatic nitroalkenes in high yields and enantioselectivities is catalysed by bifunctional thiourea-cinchona alkaloids giving access to optically active nitroalcohols and aminoalcohols as final products.
Dinér, Peter   +4 more
openaire   +4 more sources

Nitroalkenes as Amination Tools

open access: yes, 2008
This chapter deals with the synthetic use of nitroalkenes in the preparation of amino derivatives showing biological properties.
BALLINI, Roberto   +2 more
core   +3 more sources

Stereodivergent Access to Aliphatic Nitro Compounds Bearing Multi‐Contiguous Stereocenters via Sequential Catalysis [PDF]

open access: yesAdvanced Science
Herein, we report a highly efficient synthesis of aliphatic nitro compounds bearing multi‐contiguous stereocenters in good yields (up to 72%) with excellent diastereo‐ and enantio‐selectivities (up to 12:1 dr, and >99% ee) by combining copper‐catalyzed ...
Jia‐Hao Xie   +4 more
doaj   +2 more sources

Syn-Propanethial S-Oxide as an Available Natural Building Block for the Preparation of Nitro-Functionalized, Sulfur-Containing Five-Membered Heterocycles: An MEDT Study [PDF]

open access: yesMolecules
The regio- and stereoselectivity and the molecular mechanisms of the [3 + 2] cycloaddition reactions between Syn-propanethial S-oxide and selected conjugated nitroalkenes were explored theoretically in the framework of the Molecular Electron Density ...
Mikołaj Sadowski   +4 more
doaj   +2 more sources

Catalytic asymmetric Friedel–Crafts alkylation of unprotected indoles with nitroalkenes using a novel chiral Yb(OTf)3–pybox complex [PDF]

open access: yesScientific Reports, 2023
Chiral chloro-indeno pybox has served as a new ligand for the Yb(OTf)3-catalyzed asymmetric Friedel–Crafts alkylation reaction of indoles with nitroalkenes.
Babak Karimi   +3 more
doaj   +2 more sources

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