Photochemical radical cyclization reactions with imines, hydrazones, oximes and related compounds

M Latrache, N Hoffmann - Chemical Society Reviews, 2021 - pubs.rsc.org
Photochemical reactions are a key method to generate radical intermediates. Often under
these conditions no toxic reagents are necessary. During recent years, photo-redox catalytic …

Analyses of lysine aldehyde cross-linking in collagen reveal that the mature cross-link histidinohydroxylysinonorleucine is an artifact

DR Eyre, MA Weis, J Rai - Journal of Biological Chemistry, 2019 - ASBMB
Lysyl oxidase-generated intermolecular cross-links are essential for the tensile strength of
collagen fibrils. Two cross-linking pathways can be defined, one based on telopeptide lysine …

Coordination-driven Tautomerism in Pyrrole-based Schiff-base Ligands: Spectroscopic and Crystallographic Signatures

M Giri, D Sahoo, BP Samantray, PP Sahoo… - Journal of Molecular …, 2024 - Elsevier
Pyrrole-based Schiff-base ligands normally exist in two self-adaptable tautomeric forms:
imino-pyrrole and amine-azafulvene. Upon metal ion or anion coordination, the imino …

Tautomeric equilibria of 5-fluorouracil anionic species in water

N Markova, V Enchev, G Ivanova - The journal of physical …, 2010 - ACS Publications
It has long been postulated that rare tautomeric or ionized forms of nucleic acid bases may
play a role in mispair formation. Therefore, ab initio quantum chemical investigations on the …

Synthesis and Biological Evaluation of Azacrownophanes Containing Tetrahydropyridine or Piperidone Subunits

NT Dao, VN Khrustalev, EI Polyakova, AT Le - ChemistrySelect, 2022 - Wiley Online Library
Herein we presented the synthesis of azacrownophanes containing tetrahydropyridine or
piperidone rings. The multicomponent reactions were performed and afforded …

A novel synthetic approach to pyran-2, 4-dione scaffold production: Microwave-assisted dimerization, cyclization, and expeditious regioselective conversion into β …

AAM Sarhan, M Haukka, A Barakat, ATA Boraei - Tetrahedron Letters, 2020 - Elsevier
Here, we report a novel, green, simple, low-cost, and rapid methodology for the high-yield
production of pyran-2, 4-dione scaffolds under microwave irradiation. Regio-and …

Tautomerism and metal complexation of 2-acylmethyl-2-oxazolines: a combined synthetic, spectroscopic, crystallographic and theoretical treatment

RC Jones, K Herasymchuk, T Mahdi, A Petrov… - Organic & …, 2013 - pubs.rsc.org
A synthetic, structural and theoretical investigation into the solid-state, solution and gas
phase structure (s) of six 2-acylmethyl-4, 4-dimethyl-2-oxazolines is reported. Four of these …

Difluoroboron complexes of functionalized dehydroacetic acid: electrochemical and luminescent properties

S Baaziz, N Bellec, Y Le Gal, R Kaoua, F Camerel… - Tetrahedron, 2016 - Elsevier
A series of dehydroacetic acid difluoroboron complexes functionalized by a phenyl ring or
an electroactive core (tetrathiafulvalene or ferrocene) were synthesized and characterized …

Ring Closure Reactions for the Synthesis of Cyclic Imines: An Analysis from the 12 Principles of Green Chemistry and Circular Chemistry

P Borrego-Muñoz, E Coy-Barrera… - Mini-Reviews in …, 2023 - ingentaconnect.com
Compounds containing a C= N moiety, namely imines, have been widely used for industrial
purposes due to their various biological activities. Cyclic imines are an essential class of …

Highly efficient synthesis of polysubstituted 1, 2-Dihydroquinolines via tandem reaction of Α-ketoesters and Arylamines catalyzed by Indium Triflate

JC Zhang, JX Ji - ACS Catalysis, 2011 - ACS Publications
A simple and efficient method for the synthesis of polysubstituted 1, 2-dihydroquinolines has
been developed via an indium (III)-catalyzed tandem reaction of α-ketoesters with primary or …