58736-88-2

Upstream product

• 92-84-2 10H-phenothiazine 
• 455-13-0 4-Iodobenzotrifluoride 
• 402-43-7 p-trifluoromethylphenyl bromide 

Downstream Products

• 1268604-59-6 C₁₉H₁₀Br₂F₃NS 
• 1268604-52-9 C₁₉H₁₀Br₂F₃NO₂S 
• 1268604-66-5 C₆₉H₇₆F₃NO₂S 

Relevant academic research and scientific papers

Room temperature phosphorescence molecule based on phenothiazine derivative, preparation method and application thereof

The invention discloses a room temperature phosphorescence molecule based on a phenothiazine derivative, a preparation method and application thereof. The room temperature phosphorescence molecule based on the phenothiazine derivative has a structure shown as formula (I), wherein R is -OCH3, -CH3, -H, -Br, -Cl, -F or -CF3. According to the invention, mainly phenothiazine is adopted as the core, and C-N coupling reaction is carried out to connect phenothiazine with a benzene ring derivative, and then oxidation is carried out to obtain the target product. The solid powder of the compounds all have room temperature phosphorescence phenomenon, and have a longest life up to 398ms, thus being applicable as anti-counterfeit materials. And the preparation method provided by the invention has the advantages of mild reaction conditions and high yield.

Synthesis and characterization of fluorene-based oligomers and polymers incorporating N-arylphenothiazine-S,S-dioxide units

A series of 3,7-bis(9,9-di-n-hexylfluoren-2-yl)-N-arylphenothiazine-S,S- dioxide trimers and (9,9-di-n-octylfluorene-2,7-diyl-co-N-arylphenothiazine-S,S- dioxide) co-polymers, with varying ratios of phenothiazine-S,S-dioxide units, have been prepared in good yields by palladium-catalyzed cross-coupling reactions. The materials are deep blue emitters and show no solvatochromism or evidence for an intramolecular charge-transfer state. The photoluminescence quantum yields of the trimers are φPL 15-30% in solution and 14-25% in films. The polymers demonstrated very high values in solution (φPL 74-84%) and φPL values in films of 28-47%. The estimated HOMO energy levels are between -5.64 and -5.62 eV for the polymers with 15% incorporation of the phenothiazine-S,S-dioxide units. An analogous N-arylphenothiazine co-polymer shows significantly red shifted absorption and emission. Solution electrochemical data and density functional theory calculations are also presented.