IntNomenCarbonyls

IntNomenCarbonyls - Intermediate IUPAC Nomenclature VIII...

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Intermediate IUPAC Nomenclature VIII Aldehydes and Ketones Class II Carbonyls – Aldehydes and Ketones: Aldehydes have the general group –CHO where a carbon is double bonded to an oxygen (a carbonyl) and also has a hydrogen attached. Ketones have the general group –COR where a carbon is double bonded to an oxygen (a carbonyl) and has two alkyl groups attached. Carbonyl groups are polar but do not donate hydrogens to H-bonds so have moderate boiling points and slight water solubility. Aldehydes have naming priority over ketones, both aldehydes and ketones have are higher priority than alcohols and are lower priority than carboxylic acid derivatives IUPAC Nomenclature of class II carbonyls follows these steps: 1) Find the longest chain of continuous carbons that includes the carbon attached to the carbonyl . This is now the main chain. Name this chain as if it were a straight chain alkane. a. If the carbonyl is an aldehyde drop the –e ending and add –al. b. If the carbonyl is a ketone drop the –e ending and add –one. 2)
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IntNomenCarbonyls - Intermediate IUPAC Nomenclature VIII...

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