- New Indolo[3,2-b]indole based small organic molecules for Organic Thin Film Transistors (OTFTs): A combined experimental and DFT Study
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Synthesis of new indolo[3,2-b]indoles (5a- 5j) in presence of Ag-doped ZnO and (Diacetoxyiodo) benzene system under visible-light have been reported. All the new fused linear heterocyclic indolo[3,2-b]indole systems (5a- 5j) thoroughly characterized by spectroscopic methods like mass, UV-visible, NMR and C, H, N elemental analysis. Further, their photophysical properties were carried out by combined experimental and theoretical studies. Thermogravimetric studies are carried out to confirm the thermal stability of molecules. The frontier molecular orbitals of molecules are characterized with the help of cyclic voltammetry. Additionally, the compounds of series 5 were used for the fabrication of organic thin-film transistors, which indicated the hole mobilities in the range of 0.11 – 0.85 cm2/Vs and with on/off ratio 105 on ODTS-SiO2 substrate at 50 °C and are also supported by DFT studies.
- Puli, Venkat Swamy,Subburu, Mahesh,Bhongiri, Yadagiri,Tripathi, Anuj,Prasad,Chatterjee, Anindita,Pola, Someshwar,Chetti, Prabhakar
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- New indolo[1,2-c]quinazolines for single-crystal field-effect transistor: A united experimental and theoretical studies
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Here, we account the synthesis and characterization of a series of symmetrical fused heterocyclic aromatic hydrocarbons (HAHs) with an indolo[1,2-c]quinazoline (IQ) as the core moiety. All the new HAHs IQ series were systematically investigated by using various spectroscopic methods. Furthermore, their photo-physical properties were supported by density functional theory (DFT) and time-dependent density functional theory (TDDFT) studies to support the experimental findings. The tetramethyl-substituted indolo[1,2-c]quinazoline (TMIQ) compound is shown to exhibit the shifted type of π–π stacking interactions, which render this series as a new semiconducting material. Single-crystal-based field-effect transistor devices of TMIQ exhibited efficient charge transport behavior, giving a p-channel field-effect mobility of 0.25 cm2?V?1?s?1 with an on/off ratio of 5 × 105.
- Puli, Venkat Swamy,Kilaru, Suresh,Bhongiri, Yadagiri,Marri, Sreenath Reddy,Tripathi, Anuj,Chetti, Prabhakar,Chatterjee, Anindita,Vukoti, Kiran Kumar,Pola, Someshwar
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- Structure-based optimisation of orally active & reversible MetAP-2 inhibitors maintaining a tight ‘molecular budget’
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Structure-based led optimisation of orally active reversible Methionine Aminopeptidase-2 (MetAP-2) inhibitors utilising a ‘molecular budget’ medicinal chemistry strategy is described. The key physicochemical parameters of target molecules (cLogP, molecula
- Hirst, David J.,Brandt, Martin,Bruton, Gordon,Christodoulou, Erica,Cutler, Leanne,Deeks, Nigel,Goodacre, Jonathan D.,Jack, Torquil,Lindon, Matthew,Miah, Afjal,Page, Kevin,Parr, Nigel,Shukla, Lena,Sims, Martin,Thomas, Pamela,Thorpe, James,Holmes, Duncan S.
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supporting information
(2020/10/06)
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- P -Toluenesulfonic Acid Induced Conversion of Fluorinated Trimethylsilylethynylanilines into Aminoacetophenones: Versatile Precursors for the Synthesis of Benzoazaheterocycles
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A simple and efficient approach to the synthesis of fluorinated amino-substituted acetophenones in good to excellent yields is reported. The heart of the proposed method consists of conversion of a Me 3 Si-C≡C- moiety into a MeC(=O)- group in the presence of p -tolu ene sulfonic acid (p -TSA) passing a stage of ethynylaniline formation. The reaction is metal-free, proceeds under mild conditions, and uses readily available starting compounds (trimethylsilylarylacetylene derivatives). The reaction provides access to amino-substituted acetophenones, which may serve as precursors for the synthesis of polyfluorinated azaheterocycles, having potential anticarcinogenic activity.
- Politanskaya, Larisa,Tretyakov, Evgeny
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p. 555 - 564
(2017/11/03)
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- NOVEL PYRIMIDINE DERIVATIVES, PREPARATION THEREOF, AND PHARMACEUTICAL USE THEREOF AS AKT(PKB) PHOSPHORYLATION INHIBITORS
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The present invention relates to novel chemical compounds derived from pyrimidines, to the method for preparing same, to the novel intermediates obtained, to the use thereof as drugs, to the pharmaceutical compositions containing same, and to the therapeutic use thereof as AKT inhibitors.
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Paragraph 1281-1286
(2013/10/22)
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- Synthesis of polyfluorinated ortho-alkynylanilines
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A series of polyfluorinated ortho-alkynylanilines - the versatile building blocks for diverse polyfluorobenzo azaheterocycles - have been synthesized by the Sonogashira reaction of polyfluorinated ortho-iodanilines with terminal alkynes.
- Politanskaya, Larisa V.,Chuikov, Igor P.,Kolodina, Ekaterina A.,Shvartsberg, Mark S.,Shteingarts, Vitalij D.
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experimental part
p. 97 - 107
(2012/03/27)
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- New 1,2,4-triazine derivatives and biological applications thereof
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The invention relates to new 1,2,4-triazine derivatives of formula (I): wherein A, B, R2 and Y are defined in the application, their preparation and intermediates, their use as drugs and pharmaceutical compositions and associations containing them. The compounds of formula (I) are capable of inhibiting bacterial heptose synthesis.
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Page/Page column 44
(2010/01/29)
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- Palladium-catalyzed chloroimination of imidoyl chlorides to a triple bond: An intramolecular reaction leading to 4-chloroquinolines
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(Chemical Equation Presented) In this paper, a new type of effective chloroimination was reported. This reaction afforded 4-chloro-2-perfluoroalkyl quinolines from fluorinated imidoyl chlorides in high yields. This is the first achievement of oxidative addition-reductive elimination type C-Cl bond activation by chloropalladation.
- Isobe, Akira,Takagi, Jun,Katagiri, Toshimasa,Uneyama, Kenji
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supporting information; scheme or table
p. 2657 - 2659
(2009/05/27)
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- INDAN-AMIDE DERIVATIVES WITH GLYCOGEN PHOSPHORYLASE INHIBITORY ACTIVITY
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A compound of the formula (1) or a pharmaceutically-acceptable salt: (A chemical formula should be inserted here - please see paper copy enclosed herewith) (1) possess glycogen phosphorylase inhibitory activity and accordingly have value in the treatment
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Page/Page column 55
(2008/06/13)
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- Highly convergent synthesis of a rebeccamycin analog with benzothioeno(2,3-a)pyrrolo(3,4-c)carbazole as the aglycone
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A highly convergent, scalable synthesis of the rebeccamycin analog 2 was demonstrated in seven steps and 31% overall yield based on the N-protected building block dibromomaleimide 7. The practical synthesis of other two building blocks, 5,6-difluoro-3-ben
- Wang, Jianji,Soundarajan, Nachimuthu,Liu, Nian,Zimmermann, Kurt,Naidu, B. Narasimhulu
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p. 907 - 910
(2007/10/03)
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