54752-27-1Relevant articles and documents
Selectivity in the Aerobic Dearomatization of Phenols: Total Synthesis of Dehydronornuciferine by Chemo- and Regioselective Oxidation
Esguerra, Kenneth Virgel N.,Lumb, Jean-Philip
supporting information, p. 1514 - 1518 (2018/01/27)
We describe a selective aerobic oxidation of meta-biaryl phenols that enables rapid access to functionalized phenanthrenes. Aerobic oxidations attract interest due to their efficiency, but remain underutilized in complex molecule settings due to challenge
Antibacterial and antitubercular evaluation of dihydronaphthalenone-indole hybrid analogs
Praveen Kumar,Renjitha,Fathimath Salfeena,Ashitha,S. Keri, Rangappa,Varughese, Sunil,Balappa Somappa, Sasidhar
, p. 703 - 708 (2017/09/30)
A new series of indole appended dihydronaphthalenone hybrid analogs (5a–t) have been synthesized through the Lewis acid catalyzed Michael addition of indoles to the arylidene/hetero arylidene ketones. All the synthesized derivatives are well characterized
Synthesis and Characterization of New Heterocyclic Compounds Containing Thienylbenzo[h]Quinoline Moiety
Al-Taifi, Elham A.,Abbady, Mohamed S.,Bakhite, Etify A.
, p. 1479 - 1487 (2016/09/24)
In this paper the reaction of 2-(2′-thienylmethylene)-3,4-dihydronaphthalen-2(1H)-one (1) with cyanothioacetamide gave a mixture of 3-cyano-5,6-dihydro-4-(2′-thienyl)-benzo[h]quinolin-2(1H)-thione (2) and the related disulfide 3. Compound 2 was reacted with some halo compounds namely; ethyl chloroacetate, chloroacetamide, chloro(N-(p-chlorophenyl))acetamide, N1-chloroacetylsulfanilamide, and 2-chloromethyl-1H-benzimidazole to produce a series of 2-(substituted)methylthio-3-cyano-5,6-dihydro-4-(2′-thienyl)benzo[h]quinolines 4a, 4b, 4c, 4d, 4e and 11. Upon heating the latter compounds with sodium ethoxide, they underwent intramolecular Thorpe–Zeigler cyclization to furnish the corresponding 2-(substituted)-3-amino-5,6-dihydro-4-(2′-thienyl)-benzo[h]thieno[2,3-b]quinolines 5a, 5b, 5c, 5d, 5e and 12. (3-Cyano-5,6-dihydro-4-(2′-thienyl)-benzo[h]quinolin-2-ylthio)acethydrazide (8) and the related isomer, 3-amino-5,6-dihydro-4-(2′-thienyl)thieno[2,3-b]benzo[h]quinoline-2-carbohydrazide (9), were also synthesized. Most of the aforementioned compounds were used as key intermediates for synthesizing other benzo[h]quinolines, benzo[h]thieno[2,3-b]quinolines as well as benzo[h]pyrimido[4′,5′:4,5] thieno[2,3-b]quinolines. The structure of all synthesized compounds was confirmed by spectroscopic measurements and analytical analyses.
UV-light induced domino type reactions: Synthesis and photophysical properties of unreported nitrogen ring junction quinazolines
Palaniraja, Jeyakannu,Roopan, Selvaraj Mohana
, p. 37415 - 37423 (2015/05/20)
An expedient method for the synthesis of 5,6-dihydrobenzo[h][1,2,4]triazolo[5,1-b]quinazolines by UV light has been developed. Our aim was to synthesize various α, β-unsaturated carbonyl compounds and to further react them with different amines in DMF, in
Synthesis, spectral analysis, X-ray crystal structures and evaluation of chemical reactivity of five new benzoindazole derivatives through experimental and theoretical studies
Taib, Layla A.,Faidallah, Hassan M.,?ahin, Zarife Sibel,Asiri, Abdullah M.,?ahin, Onur,Arshad, Muhammad Nadeem
, p. 272 - 279 (2015/01/08)
The main purpose of this study was synthesis, X-ray, DFT and spectroscopic investigations of the title compounds (I-V). Five new compounds were synthesized and the detailed experimental results are reported. The crystal and molecular structures of the tit
Evaluation of silica-H2SO4 as an efficient heterogeneous catalyst for the synthesis of chalcones
Sultan, Aeysha,Raza, Abdul Rauf,Abbas, Muhammad,Khan, Khalid Mohammed,Tahir, Muhammad Nawaz,Saari, Nazamid
, p. 10081 - 10094 (2013/09/23)
We report an efficient silica-H2SO4 mediated synthesis of a variety of chalcones that afforded the targeted compounds in very good yield compared to base catalyzed solvent free conditions as well as acid or base catalyzed refluxing conditions.
Cytotoxicity and anti-HIV evaluations of some new synthesized quinazoline and thioxopyrimidine derivatives using 4-(thiophen-2-yl)-3,4,5,6- tetrahydrobenzo[h]quinazoline-2(1H)-thione as synthon
Mohamed, Yahia A,Amr, Abd El-Galil E.,Mohamed, Salwa F,Abdalla, Mohamed M,Al-Omar, Mohamed A,Shfik, Samira H
scheme or table, p. 693 - 702 (2012/09/07)
A series of dihydrobenzo[h]quinazoline derivatives 5-19 were synthesized using arylmethylene 2, thiopyrimidine 3 and 2-(4-(thiophen-2-yl)-5,6- dihydrobenzo[h]quinazolin-2-ylthio) acetic acid (4) as a starting materials. The biological screening showed that many of these compounds have good anticancer and antiviral activities. The structure assignments of the new compounds based on chemical and spectroscopic evidence. The detailed synthesis, spectroscopic data, and pharmacological properties are reported. Indian Academy of Sciences.