Results 1 to 10 of about 3,133 (222)

Synthesis of acenaphthylene-fused heteroarenes and polyoxygenated benzo[j]fluoranthenes via a Pd-catalyzed Suzuki–Miyaura/C–H arylation cascade [PDF]

Beilstein Journal of Organic Chemistry
Acenaphthylene-fused heteroarenes with a variety of five- and six-membered heterocycles such as thiophene, furan, benzofuran, pyrazole, pyridine and pyrimidine were synthesized via an efficient Pd-catalyzed reaction cascade in good to high yields (45–90%)
Merve Yence, Dilgam Ahmadli, Damla Surmeli, Umut Mert Karacaoğlu, Sujit Pal, Yunus Emre Türkmen   +5 more
doaj   +2 more sources

Comparative Bioaccumulation of PAH and BTEX in Malapterurus electricus (Siluriformes: Malapteruridae) and its Enteric Parasite, Electrotaenia malopteruri Sampled from Lekki Lagoon, Lagos, Nigeria [PDF]

Brazilian Journal of Biology, 2020
Contamination of Lekki lagoon by petrogenic chemicals such as polycyclic aromatic hydrocarbons (PAH) and benzene, toluene, ethylbenzene, and xylene (BTEX) has been widely reported.
P. O. Isibor, E. Akeredolu, O. B. Samuel, A. Abayomi, F. Olaleru, B. Akinsanya, P. Emezie, F. N. Are, J. K. Saliu   +8 more
doaj   +1 more source

The Synthesis and Antitumor Activity of 1,8-Naphthalimide Derivatives Linked 1,2,3-Triazole

Frontiers in Bioengineering and Biotechnology, 2021
In this study, acenaphthylene was used as the raw material, and a series of novel 1,8-naphthalimide-1,2,3-triazole derivatives was obtained through oxidation, acylation, alkylation, and click reactions, and subsequently, their anti-tumor activities were ...
Zhong-jie Xu, Ying-jie Zhou, Jia-hao Wang, Long-fei Mao, Wei Li, Gui-qing Xu   +5 more
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Diversity-Oriented Synthesis of Novel Trihalomethyl-Containing Spirochromeno[3,4-a](thia)pyrrolizidines and Spirochromeno-[3,4-a]indolizidines by One-Pot, Three-Component [3+2]-Cyclo­addition Reaction

SynOpen, 2021
Regio- and stereoselective methods for the synthesis of 6′-trifluoro(trichloro)methyl substituted spiro[acenaphthylene-1,11′-chromeno[3,4-a](thia)pyrrolizidin]-2-ones and spiro[acenaphthylene-1,12′-chromeno[3,4-a]indolizidin]-2-ones have been developed ...
Igor B. Kutyashev, Maxim S. Sannikov, Ivan A. Kochnev, Alexey Y. Barkov, Nikolay S. Zimnitskiy, Vladislav Y. Korotaev, Vyacheslav Y. Sosnovskikh   +6 more
doaj   +1 more source

6b-Hydroxy-17-methyl-15-(3-nitrophenyl)-6b,7,16,17-tetrahydro-7,14a-methanonaphtho[1′,8′:1,2,3]pyrrolo[3′,2′:8,8a]azuleno[5,6-b]quinolin-14(15H)-one dichloromethane hemisolvate

IUCrData, 2016
In the title compound, C34H25N3O4·0.5CH2Cl2, which crystallized as a dichloromethane hemisolvate, the central 1-methylpyrrolidine ring adopts an envelope conformation with the N atom as the flap.
J. M. Joseph, Vijayan Viswanathan, Devadasan Velmurugan   +2 more
doaj   +1 more source

Crystal structure of 5′′-benzylidene-1′-methyl-4′-phenyltrispiro[acenaphthylene-1,2′-pyrrolidine-3′,1′′-cyclohexane-3′′,2′′′-[1,3]dioxane]-2,6′′-dione

Acta Crystallographica Section E: Crystallographic Communications, 2016
In the title compound, C36H31NO4, two spiro links connect the methyl-substituted pyrrolidine ring to the acenaphthylene and cyclohexanone rings. The cyclohexanone ring is further connected to the dioxalane ring by a third spiro junction.
Kuppan Chandralekha, Deivasigamani Gavaskar, Adukamparai Rajukrishnan Sureshbabu, Srinivasakannan Lakshmi   +3 more
doaj   +1 more source

15-(4-Chlorophenyl)-6b-hydroxy-17-methyl-6b,7,16,17-tetrahydro-7,14a-methanonaphtho[1′,8′:1,2,3]pyrrolo[3′,2′:8,8a]azuleno[5,6-b]quinolin-14(15H)-one methanol hemisolvate

IUCrData, 2016
In the title solvate, C35H25ClN2O3·0.5CH3OH, the conformation of the central 1-methylpyrrolidine ring is best described as an envelope with the N atom as the flap.
J. M. Joseph, Vijayan Viswanathan, Devadasan Velmurugan   +2 more
doaj   +1 more source

Crystal structures of two substituted thiazolidine derivatives

Acta Crystallographica Section E: Crystallographic Communications, 2016
In the first of the compounds reported herein, namely 6′-ferrocenyl-6a′-nitro-6′,6a′,6b′,7′,9′,11a′-hexahydro-2H-spiro[acenaphthylene-1,11′-chromeno[3′,4′:3,4]pyrrolo[1,2-c]thiazol]-2-one, [Fe(C5H5)(C29H21N2O4S)], (I), the thiazolidine ring adopts a ...
Vijayan Viswanathan, Naga Siva Rao, Raghavachary Raghunathan, Devadasan Velmurugan   +3 more
doaj   +1 more source

DETECTION OF POLYCYCLIC AROMATIC HYDROCARBON IN CHARCOAL –GRILLED MEAT WITH AND WITHOUT NATURAL ADDITIVES [PDF]

Assiut Veterinary Medical Journal, 2018
This study was conducted for detection of PAHs in both non marinated charcoal grilled kebab and kofta (5 of each) as a control samples and marinated charcoal grilled kebab and kofta (15 of each) using Gas liquid chromatography equipped with flam ...
ARWA NASSAR, SHAFIK, S., ABDELAZIEM, O.
doaj   +1 more source

Phenyl-cyclopentadienyl rule

Macedonian Journal of Chemistry and Chemical Engineering, 2012
Within a systematic study of cyclic conjugation in the benzo-annelated derivatives of acenaphthylene and fluoranthene, a general regularity was discovered, named phenyl-cyclopentadienyl rule (PCP rule).
Jelena Đurđević, Ivan Gutman
doaj   +1 more source