Results 31 to 40 of about 3,217 (192)

Enantioselective addition of sodium bisulfite to nitroalkenes. A convenient approach to chiral sulfonic acids [PDF]

, 2021
An enantioselective organocatalytic addition of sodium bisulfite to (E)-nitroalkenes has been developed by using a chiral bifunctional organocatalyst. The present methodology provides a variety of chiral β-nitroethanesulfonic acid compounds (17 examples)
Muñoz, M. Carmen, Pedro, José Ramón, Amparo Sanz‐Marco, Sanz-Marco, Amparo, Muñoz Roca, María Del Carmen, Narjes Rezaei, Ehsan Sheikhi, Gonzalo Blay, Sanz Marco, Amparo, Carlos Vila, Alvaro Castilla, Blay, Gonzalo, Rezaei, Narjes, Blay Llinares, Gonzalo, Pedro, Jose R., José R. Pedro, Vila Descals, Carlos, Vila, Carlos, M. Carmen Muñoz, Castilla, Alvaro, Sheikhi, Ehsan   +20 more
core   +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

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

Navigating Nitration Chemistry: A Practical Guide to Reagents, Mechanisms, and Selectivity

Angewandte Chemie, Volume 138, Issue 20, 11 May 2026.
This review highlights key contributions of modern nitration chemistry, emphasizing sustainable mechanistic platforms and comparing the performance of both organic and inorganic reagents across aromatic, ipso‐, olefin, alkyne, and heteroatom nitration. It provides the community with a clearer, unified perspective on current advances and facilitates the
Harry Lecomte, Anthony J. Fernandes, Dmitry Katayev   +2 more
wiley   +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

Direct Conversion of 3-(2-Nitroethyl)-1H-Indoles into 2-(1H-Indol-2-yl)Acetonitriles

Molecules, 2021
The recently discovered [4+1]-spirocyclization of nitroalkenes to indoles provided a convenient new approach to 2-(1H-indol-2-yl)acetonitriles. However, this reaction was complicated by the formation of inert 3-(2-nitroethyl)-1H-indole byproducts. Herein,
Alexander V. Aksenov, Nicolai A. Aksenov, Elena V. Aleksandrova, Dmitrii A. Aksenov, Igor Yu. Grishin, Elena A. Sorokina, Allison Wenger, Michael Rubin   +7 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   +1 more source

Enantioselective 1,3-Dipolar Cycloaddition Using (Z)-α-Amidonitroalkenes as a Key Step to the Access to Chiral cis-3,4-Diaminopyrrolidines

Molecules, 2022
The enantioselective 1,3-dipolar cycloaddition between imino esters and (Z)-nitroalkenes bearing a masked amino group in the β-position was studied using several chiral ligands and silver salts.
Eduardo García-Mingüens, Marcos Ferrándiz-Saperas, M. de Gracia Retamosa, Carmen Nájera, Miguel Yus, José M. Sansano   +5 more
doaj   +1 more source

Hydrogen bond-mediated organocatalytic enantioselective reduction of nitroalkenes in deep eutectic solvents

Tetrahedron Chem, 2023
The catalytic enantioselective reduction of β,β-disubstituted nitroalkenes was performed in deep eutectic solvents, avoiding the use of volatile organic compounds (VOCs) as reaction medium.
Chiara Faverio, Monica Fiorenza Boselli, Tommaso Ruggiero, Laura Raimondi, Maurizio Benaglia   +4 more
doaj   +1 more source