1, 4-Benzothiazines-a biologically attractive scaffold
1, 4-benzothiazine (1, 4-B), a pharmacophore of anti-psychotic drug phenothiazines, is a
vital class of heterocyclic compounds implicating versatile biological activities. The aim of …
vital class of heterocyclic compounds implicating versatile biological activities. The aim of …
An efficient one-pot synthesis of octahydroquinazolinone derivatives using catalytic amount of H2SO4 in water
Z Hassani, MR Islami, M Kalantari - Bioorganic & Medicinal Chemistry …, 2006 - Elsevier
In this investigation, a practical green chemistry procedure for synthesis of
octahydroquinazolinone according to the Biginelli reaction using 5, 5-dimethyl-1, 3 …
octahydroquinazolinone according to the Biginelli reaction using 5, 5-dimethyl-1, 3 …
synthetic methods of medicinally important heterocycles-thiazines: A review
Heterocyclic compounds containing N and S atoms have unique properties so that they can
be used as potential reactive materials in pharmacokinetic systems. In medicinal chemistry …
be used as potential reactive materials in pharmacokinetic systems. In medicinal chemistry …
Introduction of a clean and promising protocol for the synthesis of β-amino-acrylates and 1, 4-benzoheterocycles: An emerging innovation
G Choudhary, RK Peddinti - Green Chemistry, 2011 - pubs.rsc.org
A highly efficient, elegant and simple procedure with exceptionally mild conditions has been
proposed for the synthesis of β-amino-acrylate derivatives and an array of biologically and …
proposed for the synthesis of β-amino-acrylate derivatives and an array of biologically and …
A facile synthesis of stable phosphorus ylides containing chlorine and sulfur derived from 6-chloro-2-benzoxazolethiol and 2-chloro-phenothiazine
MT Maghsoodlou, N Hazeri… - … , Sulfur, and Silicon, 2009 - Taylor & Francis
Stable crystalline phosphorus ylides containing chlorine and sulfur were obtained in
excellent yields from the 1: 1: 1 addition reaction between triphenylphosphine and dialkyl …
excellent yields from the 1: 1: 1 addition reaction between triphenylphosphine and dialkyl …
Synthesis and antimicrobial activity of structurally flexible heterocycles with the 1, 4-thiazine heterosystem
PK Sharma, A Fogla, BS Rathore, M Kumar - Research on Chemical …, 2011 - Springer
Abstract In this work, 4H-1, 4-benzothiazines were synthesized by an efficient synthetic
method in a single step involving heterocyclization of substituted 2-aminobenzenethiols with …
method in a single step involving heterocyclization of substituted 2-aminobenzenethiols with …
Novel multicomponent reactions involving isoquinoline or phenanthridine and activated acetylenic ester in the presence of heterocyclic NH or 1, 3-dicarbonyl …
M Nassiri, MT Maghsoodlou, R Heydari… - Molecular Diversity, 2008 - Springer
Multicomponent reactions involving azines (phenanthridine or isoquinoline) and dimethyl
acetylenedicarboxylate were undertaken in the presence of heterocyclic NH compounds …
acetylenedicarboxylate were undertaken in the presence of heterocyclic NH compounds …
Impact of geometric parameters, charge, and lipophilicity on bioactivity of armed quinoxaline, benzothiaole, and benzothiazine: pom analyses of antibacterial and …
TB Hadda, FZ Khardli, M Mimouni… - … , Sulfur, and Silicon …, 2014 - Taylor & Francis
A series of four different armed heterocyclic candidates; 1-(2-methyl-2, 3-dihydro-1, 3-
benzothiazol-2-yl) acetone (2), 1-(3-methyl-4H-1, 4-benzothiazin-2-yl) ethanone (3), 2-[(2 …
benzothiazol-2-yl) acetone (2), 1-(3-methyl-4H-1, 4-benzothiazin-2-yl) ethanone (3), 2-[(2 …
The reaction of allenes with phosphorus (III) compounds bearing a P-NH-(t-Bu) group: isolation of both enantiomers in crystalline form from an achiral system
NNB Kumar, KCK Swamy - Tetrahedron Letters, 2008 - Elsevier
Structural characterization of the tautomeric forms of the zwitterions proposed in the
phosphine catalyzed transformations of electron-deficient allenes by utilizing a …
phosphine catalyzed transformations of electron-deficient allenes by utilizing a …
Dynamic 1H NMR study around the carbon–carbon single bond and partial carbon–carbon double bond in the two particular phosphorus ylides and in an …
SM Habibi‐Khorassani, A Ebrahimi… - Magnetic …, 2011 - Wiley Online Library
Herein, a series of separate dynamic 1H NMR effects are reported at different temperatures
within a particular enaminoester involving a phenanthridine. These effects are attributed to …
within a particular enaminoester involving a phenanthridine. These effects are attributed to …