Results 31 to 40 of about 3,335 (198)

Modular access to chiral cyclopentanes via formal [2+2+1] annulation enabled by palladium/chiral squaramide relay catalysis

Tetrahedron Chem, 2022
An enantio- and diastereodivergent [2+2+1] annulation reaction of allyl ketones, acidic methylene compounds, and nitroalkenes to assemble highly functionalized cyclopentanes from readily available substances enabled by asymmetric relay catalysis of ...
Lian-Feng Fan, Rui Liu, Pu-Sheng Wang, Liu-Zhu Gong   +3 more
doaj   +1 more source

An Efficient Method for the N-Bromosuccinimide Catalyzed Synthesis of Indolyl-Nitroalkanes

Molecules, 2009
An efficient and practical method for the synthesis of indolyl-nitroalkane derivatives catalyzed by N-bromosuccinimide is described. The generality of this method was demonstrated by synthesizing an array of diverse 3-substituted indole derivatives by ...
Ching-Fa Yao, Pateliya Mujjamil Habib, Veerababurao Kavala, B. Rama Raju, Hu-Lin Fang, Chun-Chao Wang, Chun-Wei Kuo   +6 more
doaj   +1 more source

Post-Translational Modification of Proteins Mediated by Nitro-Fatty Acids in Plants: Nitroalkylation

Plants, 2019
Nitrate fatty acids (NO2-FAs) are considered reactive lipid species derived from the non-enzymatic oxidation of polyunsaturated fatty acids by nitric oxide (NO) and related species.
Lorena Aranda-Caño, Beatriz Sánchez-Calvo, Juan C. Begara-Morales, Mounira Chaki, Capilla Mata-Pérez, María N. Padilla, Raquel Valderrama, Juan B. Barroso   +7 more
doaj   +1 more source

One-pot regioselective synthesis of functionalized and fused furans from Morita–Baylis–Hillman and Rauhut–Currier adducts of nitroalkenes† [PDF]

RSC Advances, 2015
Highly functionalized and fused furans have been synthesized via cascade reactions of Morita–Baylis–Hillman and Rauhut–Currier adducts of nitroalkenes with active methylene compounds.
Vaijinath Mane, Tarun Kumar, Sourav Pradhan, Savita Katiyar, Irishi N. N. Namboothiri   +4 more
doaj   +1 more source

Organo-photocatalytic Synthesis of Functionalized Pyrroles from 2H-Azirines and α-Substituted Nitroalkenes

SynOpen, 2022
An efficient organo-photocatalytic method for the synthesis of tetrasubstituted pyrroles bearing a ketone, ester, alcohol, or nitro group at the 3-position has been developed.
Lalita Devi, Poornima Mishra, Ayushi Pokhriyal, Namrata Rastogi   +3 more
doaj   +1 more source

Rauhut-Currier type homo- and heterocouplings involving nitroalkenes and nitrodienes

, 2010
Reaction of nitroalkenes or nitrodienes with methyl vinyl ketone (MVK) or acrylate in the presence of the imidazole-LiCl catalyst system provides Rauhut-Currier (vinylogous Morita-Baylis-Hillman) adducts in moderate yield.
DADWAL, M, NAREDDY, PR, NAMBOOTHIRI, INN, SHANBHAG, P, MOBIN, SM, Nareddy, Pradeep R., Dadwal, Mamta, Mobin, Shaikh M., Irishi N. N. Namboothiri, Mamta Dadwal, Shaikh M. Mobin, Pradeep R. Nareddy, Shanbhag, Pramod, Namboothiri, Irishi N. N., Pramod Shanbhag   +14 more
core   +2 more sources

Enantioselective nickel-catalysed Michael additions of azaarylacetates and acetamides to nitroalkenes [PDF]

, 2012
I. Catalytic Conjugate Allylation of Alkylidene Malonates Nucleophilic conjugate addition of allylsilanes and allylstannanes to alkylidene malonates under the action of ytterbium catalysis in the presence of hexafluoro-isopropanol has been developed ...
Fallan, Charlene
core   +3 more sources

Asymmetric Conjugate Addition of α,α-Disubstituted Aldehydes to Nitroalkenes Organocatalyzed by Chiral Monosalicylamides from trans-Cyclohexane-1,2-Diamines

Molecules, 2018
Primary amine-salicylamides derived from chiral trans-cyclohexane-1,2-diamines are used as organocatalysts for the enantioselective conjugate addition of α,α-disubstituted aldehydes to arylated and heteroarylated nitroalkenes.
José R. Martínez-Guillén, Jesús Flores-Ferrándiz, Cecilia Gómez, Enrique Gómez-Bengoa, Rafael Chinchilla   +4 more
doaj   +1 more source

1,4-Bromoboration of nitroalkenes

Chemical Communications
The selective 1,4-bromoboration of nitroalkenes occurs under mild conditions with a bromoborane featuring two 1-methyl- ortho -carborane substituents, BrB Me o Cb 2 .
Kanika Vashisth, Caleb D. Martin
openaire   +2 more sources

Organocatalytic and enantioselective Michael reaction between α-nitroesters and nitroalkenes. Syn/anti-selectivity control using catalysts with the same absolute backbone chirality

Beilstein Journal of Organic Chemistry, 2015
The asymmetric and catalytic Michael reaction between α-nitroesters and nitroalkenes has been studied in the presence of two bifunctional catalysts both containing the same absolute chirality at the carbon backbone.
Jose I. Martínez, Uxue Uria, Maria Muñiz, Efraím Reyes, Luisa Carrillo, Jose L. Vicario   +5 more
doaj   +1 more source