94835-43-5

Upstream product

• 110-89-4 piperidine 
• 61380-87-8 6-(4-bromophenyl)-4-methylsulfanyl-2H-pyran-2-one-3-carbonitrile 
• 99-90-1 para-bromoacetophenone 

Downstream Products

• 1030247-02-9 C₂₃H₂₅BrN₂ 
• 1190359-71-7 4-(4-Bromo-phenyl)-2-piperidin-1-yl-9H-fluorene-1-carbonitrile 
• 1434247-38-7 1-(4-bromophenyl)-3-(piperidin-1-yl)-5H-dibenzo[d,f][1,3]diazepin-6(7H)-one 
• 1236223-37-2 6'-(4-bromophenyl)-2'-phenyl-3,4,5,6-tetrahydro-2H-[1,4']bipyridinyl-3'-carbonitrile 
• 1214891-15-2 5-(4-bromophenyl)-2-cyano-5-oxo-3-piperidin-1-yl-pent-2-enoic acid ethyl ester 

Relevant academic research and scientific papers

Ultrasound-assisted synthesis, photophysical behaviour and single crystal X-ray analysis of highly functionalized prenylarenes

A rapid, ultrasound assisted base-catalysed metal free synthesis of a novel series linear prenylarenes 17 incorporated with donor-acceptor functionalities is described via carbanion-induced ring transformation of 4-amino-6-aryl-3-cyano-2H-pyran-2-ones 15 with 6-methylhept-5-en-2-one 16 at room temperature with high yields. Notably, all of the synthesised prenylarenes exhibited blue fluorescence in the 406–468 nm region. The stokes shift, optical band gap, and quantum yield of compounds 17a-17l were computed using their absorption and emission spectra. A significant positive solvatochromic effect was observed, and concentration studies revealed the non-aggregating behaviour of synthesised prenylarenes. Single crystal X-ray diffraction analysis of 17d revealed that crystal belongs to triclinic system with P-1 space group with twisted phenyl rings.

Synthesis, spectral characterization and photophysical studies of tetrahydroquinolines

A metal-free, ultrasound-assisted, fast synthesis of fluorescent N-Boc-protected 1,2,3,4–tetrahydroquinolines 9a-p is described through carbanion-induced ring transformation of 6-aryl-2H-pyran-2-ones 7 with tert?butyl 3-oxopiperidine-1-carboxylate 8 under

Transition metal-free synthesis of sterically hindered allylarenes from 5-hexene-2-one

A simple, efficient and transition metal-free strategy was established for the synthesis of highly functionalized, sterically hindered allylarenes (6, 7 & 8) by base-mediated ring transformation of 2-oxo-6-aryl-4-(methylthio/sec-amino)-2H-pyran-3-carbonit

Synthesis of Solution-Processable Donor-Acceptor Pyranone Dyads for White Organic Light-Emitting Devices

A series of donor-acceptor pyranones (3a-m, 4a-h) were synthesized using α-oxo-ketene-S,S-acetal as the synthon for their application as emissive materials for energy-saving organic light-emitting devices (OLEDs). Among them, five pyranones 3f, 3g, 3h, 3m

First Dual Responsive “Turn-On” and “Ratiometric” AIEgen Probe for Selective Detection of Hydrazine Both in Solution and the Vapour Phase

A new dual responsive “turn-on” and “ratiometric” aggregation-induced emission luminogen (AIEgen) 3-formyl-5-(piperidin-1-yl)biphenyl-4-carbonitrile 6 a (FPBC 6 a) for selective detection of hydrazine in solution as well as in vapour phase is described. A

A Metal-Free Approach for the Synthesis of 2-Tetralones via Carbanion-Induced Ring Transformation of 2 H -Pyran-2-ones

A metal-free, ultrasound-assisted approach for the synthesis of highly functionalized 2-tetralones in high yields is described. The process involves ring transformation of 2 H -pyran-2-ones with the spirocyclic ketone 1,4-cyclohexandione monoethylene keta

Chemoselective synthesis of m-teraryls through ring transformation of 2 H-pyran-2-ones by 2-(1-arylethylidene)-malononitriles

We have developed a simple, efficient and chemoselective approach for the synthesis of m-teraryls by the reaction of 6-aryl-2-oxo-4-(sec.amino)-2H-pyran-3-carbonitriles and 2-(1-arylethylidene)malononitriles under basic conditions. We used 6-aryl-2-oxo-4-

Synthesis, photophysical and anticancer study of D-ring extended estrone analogues

A concise route for the highly substituted ring extended estrone derivatives has been established. This protocol involves very simple, facile and one step ring transformation and cyclization process. The preliminary absorption, emission spectroscopic and

A dual colorimetric-ratiometric fluorescent probe NAP-3 for selective detection and imaging of endogenous labile iron(III) pools in C. elegans

The discovery of an iron(III)-selective ratiometric fluorescent probe to detect and visualize endogenous labile iron pools in living organisms at the molecular level has been long awaited. Herein we report the first dual colorimetric and ratiometric fluor

Base mediated regioselective synthesis of highly functionalized conjugated enones

A simple, regioselective, convenient, and base mediated synthesis of (2E,4E)-5-aryl-6-oxo-6-phenyl-3-sec.amino-hexa-2,4-dienenitriles has been achieved by the reaction of 6-aryl-4-sec.amino-2-oxo-2H-pyran-3-carbonitriles and benzyl cyanide. This reaction