73396-66-4Relevant academic research and scientific papers
Reaction of 2-aryl-5-R-5,6-dihydro-7H-[1,2,4]-triazolo[5,1-b][1,3]thiazin- 7-ones with aryl bromomethyl ketones and benzyl bromide
Britsun,Esipenko,Lozinskii
, p. 782 - 786 (2005)
The products of the reaction of 2-aryl-5-R-5,6-dihydro-7H-[1,2,4] triazolo[5,1-b][1,3]thiazin-7-ones with aryl bromomethyl ketones are 2-aryl-7H-[1,2,4]triazolo[5,1-b][1,3]thiazin-7-ones and aryl methyl ketones or 2,5-diaryl[1,3]thiazolo[3,2-b][1,2,4]tria
Regioselective synthesis of 2-substituted [1,2,4]Triazolo[5,1-b][1,3] thiazin-7-ones by heteropolyacids
Motamedi, Radineh,Heravi, Majid M.,Nazari, Zahra,Bamoharram, Fatemeh F.
, p. 1672 - 1675 (2010)
2-Substituted [1,2,4]triazolo[5,1-b][1,3]thiazin-7-ones 3 were synthesized via regioselective cyclization of 4H-[1,2,4]triazol-3-ylsulfanyl-acrylic acids 2 in the presence of catalytic amounts of heteropolyacids at room temperature in very good yields and
Sulfuric acid: A mild catalyst for the regioselective synthesis of 2-substituted [1,2,4]triazolo[5,1- b][1,3]thiazin-7-ones
Heravi,Montazeri,Rahimizadeh,Bakavoli,Ghassemzadeh
, p. 1225 - 1228 (2001)
A facile and regioselective synthesis of 2-substituted [1,2,4]triazolo[5,1-b][1,3]thiazin-7-ones by action of sulfuric acid on (4H-[1,2,4]triazol-3-ylsulfanyl)-acrylic acids is described.
Synthesis of 1,2,4-triazolo[5,1-b][1,3]-thiazin-7-ones catalyzed by pentafluorophenylammonium triflate
Montazeri,K. Pourshamsian,A. Divsalar,M. Ghoorchi-Beigi
experimental part, p. 2802 - 2804 (2012/08/28)
Pentafluorophenylammonium triflate has been found to be an outstanding catalyst for the cyclization of 3-(4H-1,2,4-triazol-3-ylsulfanyl)- acrylic acids into 1,2,4-triazolo[5,1-b][1,3]thiazin-7-ones under solvent-free microwave irradiation and conventional
Sulfuric acid impregnated on silica gel (H2SO 4/SiO2): A versatile and reusable catalyst for the synthesis of 1,2,4-Triazolo[5,1-b][1,3]thiazin-7-ones
Montazeri
experimental part, p. 7432 - 7434 (2012/06/30)
Sulfuric acid adsorbed on silica gel (H2SO4/SiO 2) has been found to be a highly efficient and versatile catalyst for the cyclization of 3-(4H-1,2,4-triazol-3-ylsulfanyl)-acrylic acids into 1,2,4-triazolo[5,1-b][1,3]- thia
7H-Triazolothiazin-7-ones by Deamination Cyclization of S-Acrylates of 4-Amino-3(3H)-1,2,4-triazolethiones
Heindel, Ned D.,Reid, Jack R.
, p. 2479 - 2482 (2007/10/02)
Condensation of 4-amino-3(3H)-1,2,4-triazolethiones with methyl propiolate gave S-acrylic esters.S-Acrylic acids prepared from these esters underwent a deamination cyclization of 7H-triazolothiazin-7-ones with the loss of the elements o
