نتایج جستجو برای: catacondensed benzenoid graph

تعداد نتایج: 198340  

2012
Yu-Ren Liao Ping-Chung Kuo Jun-Weil Liang Yuh-Chiang Shen Tian-Shung Wu

A naturally occurring enynyl-benzenoid, benzocamphorin F (1), from the edible fungus Taiwanofungus camphoratus (Antrodia camphorata) was characterized by comprehensive spectral analysis. It displays anti-inflammatory bioactivity and is valuable for further biological studies. The present study is the first total synthesis of benzocamphorin F and the developed strategy described is a more effici...

Journal: :Journal of chemical information and computer sciences 2000
Jerry Ray Dias

Two-dimensional arrays consisting of strongly subspectral molecular graphs and formula periodic tables for polycyclic aromatic hydrocarbons are briefly reviewed. New two-dimensional arrays for free-radical benzenoid hydrocarbons are presented with general analytical expressions for counting their number of resonance structures (SC). The structural origin of the coefficients to these analytical ...

2010
Nimalini Devi Moirangthem Warjeet Singh Laitonjam

A new and facile synthesis of 2-thioxoquinazolin-4-ones by introducing a benzenoid system in the pyrimidine moiety by reacting ethoxymethylene derivatives of 1,3-diarylthiobarbituric acids (DTBA) with active methylene compounds, such as malononitrile and ethyl cyanoacetate, in presence of ZnCl₂ has been developed.

Journal: :JOURNAL OF ADVANCES IN CHEMISTRY 2017

Journal: :Journal of Mathematical Chemistry 2018

Journal: :Bulletin of the Chemical Society of Japan 1977

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