8.44 erythrogenic acid C18H26O2, is an acetylenic fatty acid that turns a vivid red on exposure to light. On catalytic hydrogenation over a palladium catalyst, 5 equivalents of H2 is
absorbeb,and stearic acid ,CH3(CH2)16CO2H,is produced Ozonolysis of erythrogenic acid gives four products:formaldehyde ,CH2O: oxalic acid HO2CCO2H ; azelaic acid,HO2C(CH2)
7CO2H;and the aldehyde acid OHC(CH2)4CO2H. Draw two possible structures for erythogenic acid ,and suggest a way to tell them apart by carrying out some simple reactions.
8.44 erythrogenic acid C18H26O2, is an acetylenic fatty acid that turns a vivid red on exposure to light. On catalytic hydrogenation over a palladium catalyst, 5 equivalents of H2 is absorbeb,and stearic acid ,CH3(CH2)16CO2H,is produced Ozonolysis of erythrogenic acid gives four products:formaldehyde ,CH2O: oxalic acid HO2CCO2H ; azelaic acid,HO2C(CH2)7CO2H;and the aldehyde acid OHC(CH2)4CO2H. Draw two possible structures for erythogenic acid ,and suggest a way to tell them apart by carrying out some simple reactions.
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