Nitro-mannich reaction

A Noble, JC Anderson - Chemical Reviews, 2013 - ACS Publications
Reactions that utilize addition of active C− H nucleophiles to C X bonds represent some of
the most fundamental carbon− carbon bond-forming processes in organic chemistry. Of …

[HTML][HTML] Organocatalytic tandem Michael addition reactions: A powerful access to the enantioselective synthesis of functionalized chromenes, thiochromenes and 1, 2 …

C Bhanja, S Jena, S Nayak… - Beilstein Journal of …, 2012 - beilstein-journals.org
Enantioselective organocatalysis has become a field of central importance within
asymmetric chemical synthesis and appears to be efficient approach toward the construction …

Catalytic Synthesis of 2H-Chromenes

N Majumdar, ND Paul, S Mandal, B de Bruin… - ACS …, 2015 - ACS Publications
2 H-Chromenes (2 H-1-benzopyran derivatives) display a broad spectrum of biological
activities. The 2 H-chromene substructure is an important structural motif present in a variety …

On the question of the formation of nitro-functionalized 2, 4-pyrazole analogs on the basis of nitrylimine molecular systems and 3, 3, 3-trichloro-1-nitroprop-1-ene

K Kula, A Łapczuk, M Sadowski, J Kras, K Zawadzińska… - Molecules, 2022 - mdpi.com
Experimental and theoretical studies on the reaction between (E)-3, 3, 3-trichloro-1-nitroprop-
1-ene and N-(4-bromophenyl)-C-arylnitrylimine were performed. It was found that the title …

Ruthenium‐Catalyzed Direct Asymmetric Reductive Amination of Diaryl and Sterically Hindered Ketones with Ammonium Salts and H2

L Hu, Y Zhang, QW Zhang, Q Yin… - Angewandte Chemie …, 2020 - Wiley Online Library
A Ru‐catalyzed direct asymmetric reductive amination of ortho‐OH‐substituted diaryl and
sterically hindered ketones with ammonium salts is reported. This method represents a …

Synthesis and properties of 3-nitro--chromenes

VY Korotaev, VY Sosnovskikh… - Russian Chemical …, 2013 - iopscience.iop.org
Methods of synthesis and chemical properties of 3-nitro-$2 H $-chromenes, including
reactions with nucleophiles, cycloaddition, oxidation and reduction, have been reviewed …

Design, Green Synthesis and in silico Studies of New Substituted Naphtho [1, 2‐e][1, 3] Oxazines as Potential Acetylcholinesterase Inhibitors

B Pouramiri, M Abbasi… - Chemistry & …, 2024 - Wiley Online Library
Alzheimer's disease (AD) is a prevalent neurodegenerative condition characterized by
progressive cognitive decline and memory impairment resulting from the degeneration and …

Part II: nitroalkenes in the synthesis of heterocyclic compounds

AZ Halimehjani, INN Namboothiri, SE Hooshmand - RSC Advances, 2014 - pubs.rsc.org
This part (part II) is devoted to 6-membered heterocycles that are synthesized from
nitroalkenes as the key substrates. These compounds can be simply accessible to form …

A divergent and selective synthesis of isomeric benzoxazoles from a single N–Cl imine

C Chen, T Andreani, H Li - Organic letters, 2011 - ACS Publications
A divergent and regioselective synthesis of either 3-substituted benzisoxazoles or 2-
substituted benzoxazoles from readily accessible ortho-hydroxyaryl N–H ketimines is …

Chiral Phosphoric Acid-Catalyzed Enantioselective Transfer Hydrogenation of ortho-Hydroxyaryl Alkyl N−H Ketimines

TB Nguyen, H Bousserouel, Q Wang, F Gueritte - Organic Letters, 2010 - ACS Publications
The first enantioselective chiral phosphoric acid-catalyzed transfer hydrogenation of
unprotected ortho-hydroxyaryl alkyl N− H ketimines using Hantszch di-tert-butyl ester as a …