Base-Promoted [5 + 1 + 3] Cascade Cyclization of o-Nitrochalcones, Elemental Sulfur, and Guanidine to Benzo[4,5]thieno[3,2-d]pyrimidine Frameworks

J Wan, S Huang, Z Zhang, Q Wu, Z Wang… - Organic …, 2023 - ACS Publications
An unexpected [5+ 1+ 3] cascade cyclization to the preparation of benzo [4, 5] thieno [3, 2-d]
pyrimidine derivatives has been disclosed. In the new protocol, o-nitrochalcones reacted …

Experimental and computational investigations on the molecular structure, vibrational spectra, electronic properties, FMO and mep analyses of 4, 6-Bis (4 …

SS Pathade, BS Jagdale - Physical Chemistry Research, 2020 - physchemres.org
In the present work 4, 6-bis (4-fluorophenyl)-5, 6-dihydropyrimidin-2 (1H)-one was
synthesized by condensation of (2E)-1, 3-bis (4-fluorophenyl) prop-2-en-1-one with urea in …

Potassium carbonate catalyzed one pot four-component synthesis of rhodanine derivatives

SJ Singh, SMS Chauhan - Tetrahedron Letters, 2013 - Elsevier
A novel multicomponent synthesis of ketene dithioacetal rhodanines has been reported by
reactions of primary amine, carbon disulfide, ethyl chloroacetate, and alkyl halide in DMF …

Rearrangement of cyclotriveratrylene (CTV) diketone: 9, 10-diarylanthracenes with OLED applications

SRS Sarsah, MR Lutz Jr, M Zeller… - The Journal of …, 2013 - ACS Publications
Electroluminescent 9, 10-diaryl anthracenes have been shown to be promising host and
hole-transporting materials in organic electroluminescence due to their high thermal …

Interactions of N-acetyl-l-cysteine with metals (Ni2+, Cu2+ and Zn2+): an experimental and theoretical study

S Mandal, G Das, H Askari - Structural Chemistry, 2014 - Springer
In recent years, interactions of metal ions with amino acid derivatives have been studied
extensively due to their immense importance in the life-supporting processes. Here, we …

Amino acid-type interactions of L-3, 4-dihydroxyphenylalanine with transition metal ions: An experimental and theoretical investigation

S Mandal, G Das, H Askari - Journal of Molecular Structure, 2015 - Elsevier
This paper reports the synthesis of the Ni+ 2, Cu+ 2 and Zn+ 2 complexes of L-3, 4-
dihydroxyphenylalanine (l-dopa) using a solvent-free solid-state grinding procedure. The …

One‐Pot Three‐Component Construction of 2,4‐Diarylbenzo[4,5] thieno[3,2‐d] pyrimidines Using Elemental Sulfur as a Sulfur Source

G Li, F Wen, Z Li - ChemistrySelect, 2024 - Wiley Online Library
An efficient method for the construction of 2, 4‐diarylbenzo [4, 5] thieno [3, 2‐d] pyrimidines
through the base‐promoted one‐pot three‐component tandem reactions of o …

Direct Synthesis for Benzofuro[3,2‐d]pyrimidin‐2‐Amines via One‐Pot Cascade [4+2] Annulation/Aromatization between Benzofuran‐Derived Azadienes and …

CC Wang, QL Wang, YH Li, MR Ren… - … A European Journal, 2024 - Wiley Online Library
Abstract The chemoselective [4+ 2] annulation/aromatization reactions between benzofuran‐
derived azadienes and N− Ts cyanamides are developed, affording a convenient method for …

2-Pyridone-based fluorophores containing 4-dialkylamino-phenyl group: Synthesis and fluorescence properties in solutions and in solid state

M Hagimori, Y Shigemitsu, R Murakami, K Yokota… - Dyes and …, 2016 - Elsevier
Novel highly emissive 2-pyridone-based compounds 3a, b and 4a–d were synthesized by a
convenient one-pot method from 4-(dialkylamino) acetophenones (1a, b) and cyanoketene …

Physicochemical investigations of the metal complexes of L-valine with doubly charged ions of nickel, copper and zinc: a combined experimental and computational …

S Mandal, G Das, H Askari - RSC Advances, 2014 - pubs.rsc.org
Assessment of the intrinsic structural changes inflicted by metal coordination in the
molecular geometries of the genetically encoded amino acids is of fundamental importance …