Question

Write the IUPAC names of the following ketones and aldehydes. Wherever possible, give also common names.
$(i) CH_3CO(CH_2)_4CH_3$
$(ii) CH_3CH_2CHBrCH_2CH(CH_3)CHO$
$(iii) CH_3(CH_2)_5CHO$
$(iv) Ph-CH=CH-CHO$
$(v)$
$(vi) PhCOPh$

Answer 1

$(i) CH_3CO(CH_2)_4CH_3$
IUPAC name: Heptan-2-one
Common name: Methyl n-propyl ketone

$(ii) CH_3CH_2CHBrCH_2CH(CH_3)CHO$
IUPAC name: 4-Bromo-2-methylhaxanal
Common name: (γ-Bromo-α-methyl-caproaldehyde)

$(iii) CH_3(CH_2)_5CHO$
IUPAC name: Heptanal

$(iv) Ph-CH=CH-CHO$
IUPAC name: 3-phenylprop-2-enal
Common name: β-Pheynolacrolein

$(v)$
IUPAC name: Cyclopentanecarbaldehyde

$(vi)PhCOPh$
IUPAC name: Diphenylmethanone
Common name: Benzophenone