ORGANIC CHEMISTRY Chapter 4 CH3 CH3 4 CH2CH3 CH,CH 7,7-二甲基-2-乙基二环22.1庚烷 2-Ethyl-7, 7-dimethylbicyclo[2.2.1 heptane 4 Bicyclo 5.2.0]nonane 二环520]壬烷 6 Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 CH3 CH3 CH2CH3 1 CH2CH3 2 3 4 5 6 7 7,7-二甲基-2-乙基二环[2.2.1]庚烷 2-Ethyl-7,7-dimethylbicyclo[2.2.1]heptane 1 2 3 4 5 6 7 8 9 Bicyclo[5.2.0]nonane 二环[5.2.0]壬烷
ORGANIC CHEMISTRY Chapter 4 (b) polycyclic Compounds o Compounds consisting of three or more rings may be named by adding the appropriate prefix tricyclo- tetracyclo-, etc. before the name of the open-chain hydrocarbon o a polycyclic system is regarded as containing a number of rings equal to the number of scissions required to convert the system into an open-chain compound 三环32.1.024辛烷 2 Tricyclo 3. 2.1.0- octane Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 (b) Polycyclic Compounds Compounds consisting of three or more rings may be named by adding the appropriate prefix "tricyclo-", "tetracyclo-", etc. before the name of the open-chain hydrocarbon. A polycyclic system is regarded as containing a number of rings equal to the number of scissions required to convert the system into an open-chain compound. 2 3 4 1 5 6 7 8 三环[3.2.1.02,4]辛烷 Tricyclo[3.2.1.02,4]octane
ORGANIC CHEMISTRY Chapter 4 4 Spiro hydrocarbons(螺环烃) A spiro atom o a spiro union" is one formed by a single atom which is the only common member of two rings o The common atom is designated as the spiro atom o According to the number of spiro atoms present, the compounds are distinguished as monospiro- dispiro-, trispirocompounds, etc Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 4.4C Spiro Hydrocarbons (螺环烃) A spiro atom A "spiro union" is one formed by a single atom which is the only common member of two rings. The common atom is designated as the "spiro atom". According to the number of spiro atoms present, the compounds are distinguished as monospiro-, dispiro-, trispirocompounds, etc