eST AAF UR O-C-CH2-CH2-CH3 Cyclopropylbutanoate 环丙基丁酸酯 丁酸环丙醇酯 CH.CE.Cn.CH ( propanoic benzoic anhydride anhydride
- O -C –CH2 – CH2 – CH3 || O Cyclopropylbutanoate 环丙基丁酸酯 丁酸环丙醇酯 CH3CH2C-O-C-CH2CH3 O || propanoic anhydride -C-O-Cbenzoic anhydride O || O || O ||
cyclic:cycloalkanecarboxylic acid CO,H CO2H (succinic anhydride) (maleic anhydride CO,H (benzoic） CO,H (salicylic) OH (phthalic anhydride)
cyclic: cycloalkanecarboxylic acid O O O O O O (succinic anhydride) (maleic anhydride) O O O (phthalic anhydride) CO2H CO2H CO2H CO2H OH (benzoic) (salicylic)
林 esters:alkyl alkanoate (-ic ate) (octyl acetate)[orange] (ethyl butyrate)[pineapple] (isopentyl acetate,isoamyl acetate)[banana] OCH3 (methyl salicylate)[wintergreen]
esters: alkyl alkanoate (- ic + ate) O O O O O O OH OCH 3 O (octyl acetate) [orange] (ethyl butyrate) [pineapple] (isopentyl acetate, isoamyl acetate) [banana] (methyl salicylate) [wintergreen]
衣林 Cyclic Esters (y-butyrolactone) Reaction of -OH and on same molecule produces a Y一丁内酯 cyclic ester,lactone. To name,add word lactone to the IUPAC acid name or replace the -ic acid of common (8-valerolactone)name with -olactone. δ一戊内酯 (y-valerolactone) CH3 Y一戊内酯 4-hydroxy-2-methylpentanoic acid lactone a-methyl-y-valerolactone
O O O O O O ( γ-butyrolactone) γ －丁内酯 ( δ-valerolactone) δ －戊内酯 ( γ-valerolactone) γ －戊内酯 Cyclic Esters Reaction of -OH and -COOH on same molecule produces a cyclic ester, lactone. To name, add word lactone to the IUPAC acid name or replace the -ic acid of common name with -olactone. O O H 3 C CH 3 4-hydroxy-2-methylpentanoic acid lactone α-methyl- γ-valerolactone
农林 Smelly Stuff CH2CH,CH2C-OCH; CH.CH2CH2C-OSCH3 methylbutanoate methylthiobutanoate Apples Strawberries CH3CH2CH2C-OCH2CH3 CH3CH2CH2C-O(CH2)4CH3 ethyIbutanoate pentylbutanoate Pineapples Apricots
Smelly Stuff O || CH 3CH 2CH 2C-OCH 3 methylbutanoate Apples O || CH 3CH 2CH 2C-OSCH 3 methylthiobutanoate Strawberries Strawberries O || CH 3CH 2CH 2C-OCH 2CH 3 ethylbutanoate Pineapples Pineapples O || CH 3CH 2CH 2C-O(CH 2 ) 4CH 3 pentylbutanoate Apricots Apricots