ORGANIC CHEMISTRY Chapter 8 8.9a Structure and Reactions of methylene h CHOC=O CH2 CO CH CH, t n2 RI (4 R R 单线态三线态 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 8 8.9A Structure and Reactions of Methylene CH2 C O





















CH2 + CO







































CH2 N+ N−














































hv hv










CH2 + N 2

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