Radical ring expansion is a new strategy to synthesize the medium-sized and even large rings, nowadays, it is one of the important research fields of organic chemistry.
The researching of free radical is basilic researchful approach for free radical's chemistry, biochemistry and medical chemistry.
自由基研究是开展自由基化学、生物学及医学研究的重要途径。
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In this thesis, the peroxy radical (HO_2 and RO_2) atmospheric chemistry reaction and radical amplifier chemistry water effect have been investigated with the theory method.