NMR studies of some chiral 3-acyclcamphor were Conducted. A complete assignment was given to 3-(4-pyridyl)carbonylcamphor by the 2D NMR technology. Assignments were also given to other beta-diketones. The results show...NMR studies of some chiral 3-acyclcamphor were Conducted. A complete assignment was given to 3-(4-pyridyl)carbonylcamphor by the 2D NMR technology. Assignments were also given to other beta-diketones. The results showed that those 3-acylcamphors exist in the enol forms: while: 7-benzoyl menthone exists in diketon form.展开更多
PERIODIC and chaotic phenomena in the living system are closely related with the diffusion process through a membrane. In order to understand the relation, the exploration has been carried out continuously. So far, se...PERIODIC and chaotic phenomena in the living system are closely related with the diffusion process through a membrane. In order to understand the relation, the exploration has been carried out continuously. So far, several types of membrane oscillators have been found, such as solid membrane oscillator, liquid membrane oscillator and salt-water oscillator. But the relationships between these various oscillators and experimental conditions of the transition from展开更多
文摘NMR studies of some chiral 3-acyclcamphor were Conducted. A complete assignment was given to 3-(4-pyridyl)carbonylcamphor by the 2D NMR technology. Assignments were also given to other beta-diketones. The results showed that those 3-acylcamphors exist in the enol forms: while: 7-benzoyl menthone exists in diketon form.
文摘PERIODIC and chaotic phenomena in the living system are closely related with the diffusion process through a membrane. In order to understand the relation, the exploration has been carried out continuously. So far, several types of membrane oscillators have been found, such as solid membrane oscillator, liquid membrane oscillator and salt-water oscillator. But the relationships between these various oscillators and experimental conditions of the transition from
