IT is an interesting fact that neitherjpentalene (1), nor heptalene (2), nor any derivatives of them have been definitely reported as being synthesized 1 or found to occur naturally. Azulene (3 ...

Department of Materials Science and Chemical Engineering, Hanyang University, Ansan 15588, Republic of Korea Department of Materials Science and Engineering, Korea Advanced Institute of Science and ...

Polycyclic aromatic hydrocarbons are formed by the incomplete combustion of coal, oil, petrol, wood, tobacco, charbroiled meats, garbage, or other organic materials. Most of them have no known use. A ...

Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Xiyuan Avenue 2006, Chengdu 611731, China ...