头 Common nomenclature 翳 Common nomenclature 9 Y B a H.C C,Hs BrCH,CH,CH,CHO HC=CHCHO C,H5 C,Hs 丙烯醛 甲乙酮 Y-溴丁醛 (y-bromobutyraldehyde) (acrylaldehyde) 二乙酮 (ethyl methyl ketone) (diethyl ketone) 演 Common nomenclature Historical common names OH 贝 CHO CH H.C CH, 丙酮(acetone) (二)苯甲酮 甲基环己基酮 邻羟基苯甲醛(水杨醛) (benzophenone) (ethyl methyl ketone) (salicylaldehyde) CH; 甲基苯基酮(苯乙酮、乙酰苯) (acetophenone) Systematic nomenclature Systematic nomenclature ·选择含有羰基的最长碳链作为主链 CH,CH, 4 3 ·使羰基的编号最小 CH,CH,CHCHCHO 21 ·脂环酮的羰基在环内,称环某酮,如羰基 CH; CH: 在环外,将环作取代基 3-甲基-2-乙基戊醛 1-苯基乙酮 (2-ethyl-3- (I-phenylethanoe) methylpentanal) 22 Prepared by Yang R. L. 甲乙酮 (ethyl methyl ketone) H C3 C2H5 O g-溴丁醛 (g- bromobutyraldehyde) BrCH2 CH2 CH2 CHO g b a Common nomenclature Prepared by Yang R. L. C2H5 C2H5 O 二乙酮 (diethyl ketone) H2C CHCHO 丙烯醛 (acrylaldehyde) Common nomenclature Prepared by Yang R. L. 甲基环己基酮 (ethyl methyl ketone) CH3 O Common nomenclature 邻羟基苯甲醛(水杨醛) (salicylaldehyde) OH CHO Prepared by Yang R. L. 甲基苯基酮 (苯乙酮、乙酰苯) (acetophenone) CH3 O O (二)苯甲酮 (benzophenone) H C3 CH3 O 丙酮 (acetone) Historical common names Prepared by Yang R. L. Systematic nomenclature • 选择含有羰基的最长碳链作为主链 • 使羰基的编号最小 • 脂环酮的羰基在环内,称环某酮,如羰基 在环外,将环作取代基 Prepared by Yang R. L. CH3 O 1-苯基乙酮 (1-phenylethanoe) CH3CH2CHCH CH2CH3 CH3 CHO 2 1 5 4 3 3-甲基-2-乙基戊醛 (2-ethyl-3- methylpentanal) Systematic nomenclature