20940-10-7

Upstream product

• 1076-59-1 3-phenyl-4H-isoxazol-5-one 
• 137-07-5 2-amino-benzenethiol 
• 1087-09-8 1,4-diphenyl-but-2-yne-1,4-dione 
• 20940-07-2 3-phenyl-2H-benzo[b][1,4]thiazine 
• 98-86-2 acetophenone 
• 1141-88-4 2-Aminophenyl disulfide 
• 20940-09-4 2-(2-nitro-phenylsulfanyl)-1-phenyl-ethanone 
• 13665-04-8 2,2-dibromoacetophenone 
• 88-89-1 2,4,6-Trinitrophenol 

Downstream Products

• 23416-79-7 3,3'-diphenyl-[2,2']bi[benzo[1,4]thiazinylidene] 
• 23416-79-7 (E)-Δ^2,2'-bi(3-phenyl-2H-1,4-benzothiazin-2-yl) 

Relevant academic research and scientific papers

Microwave-assisted controllable synthesis of 2-acylbenzothiazoles and bibenzo[b][1,4]thiazines from aryl methyl ketones and disulfanediyldianilines

A condition-controlled strategy for selectively synthesis of 2-acylbenzothiazoles and bibenzo[b][1,4]thiazines from aryl methyl ketones and disulfanediyldianilines was realized using I2/DMSO or I2/MeCN systems, respectively. The desired products were synthesized in only 15 min with moderate to excellent yields (50%-90%) under microwave-assisted, metal-free conditions. The strategy provides a great advantage for selective synthetic applications in the efficient synthesis of benzothiazoles and bibenzothiazines heterocycle compounds.

AIBN-Promoted Synthesis of Bibenzo[ b][1,4]thiazines by the Condensation of 2,2′-Dithiodianiline with Methyl Aryl Ketones

A series of bibenzo[b][1,4]thiazines with various functional groups has been synthesized by a free-radical condensation reaction. Bibenzo[b][1,4]thiazines were obtained in moderate to good yield (up to 85%) through a one-step reaction of readily available 2,2′-dithiodianiline and methyl aryl ketones with AIBN as radical initiator in HOAc. Bibenzo[b][1,4]thiazines exhibit diversiform solid-state packing.

Red-hair-inspired chromogenic system based on a proton-switched dehydrogenative free-radical coupling

In the presence of micromolar peroxides or biometals (Fe(III), Cu(II), V(V) salts), and following a strong acid input, the stable 3-phenyl-2H-1,4- benzothiazine is efficiently converted to a green-blue Δ 2,2′-bi(2H-1,4-benzothiazine) chromophor

Eco-friendly HClO4-SiO2 catalyzed synthesis of mono-and bis-diaryl-2h-1,4 benzothiazines

Mono-and bis-diaryl-2H-1,4-benzothiazines were obtained in quantitative yields through silica-supported perchloric acid catalyzed reaction cascade of double condensation and 1,4 addition of diaroylacetylenes with 2-aminothiophenol at room temperature. The

Synthesis of 2,2′-Bi-2H-3,3′-diaryl-1,4-benzothiazines from α,α-dibromoacetophenones and o-aminothiophenol

Some 2,2′-bi-2H-3,3′-diaryl-1,4-benzothiazines (5a-f) were synthesized from α,α-dibromoacetophenones and o-aminothiophenol. Copyright Taylor & Francis Group, LLC.

A new synthetic approach towards the synthesis of 2-(3-aryl-2H,1,4-benzthiazin-2-yl)-3-aryl-2H-1,4-benzothiazines

Synthesis of 2-(3-Aryl-2H-1,4-benzthiazin-2-yl)-3-aryl-2H-1,4-benzothizines (3 a-e) from 3-aryl-5(4H)-isoxazolones (1 a-e) and 2-aminothiophenol (2).