Nomenclature of alkanes
IUPAC Nomenclature of halo-alkanes • The halogen is a substituent on the alkane and is treated like any other substituent • The halogen is indicated by removing the “ine” ending from the element name and adding “o” o CH3Cl = chloromethane o CH3CHCl2 = 1,1-dichloroethane Ethers: two alkanes linked by an oxygen Common name
Alkanes: IUPAC Naming
Cyclic Alkane Examples Name these cyclic alkanes Cyclic and Straight-Chain Portions? Greater number of carbons takes priority If equal number of carbons, go with the
2: Alkanes and Cycloalkanes
Alkane Nomenclature Rules (2 2A) The following rules illustrate the basic principles for naming simple branched alkanes The names 3-methylhexane and 4-ethyl-3-methyloctane for the alkanes shown here are based on these rules [graphic 2 10] Rule1 The longest continuous chain of C atoms in the branched alkane is the
Practice Problems on Alkane Nomenclature - Answers
Practice Problems on Alkane Nomenclature - Answers 1 CH 3 CH CH 3 CH 2 CH 3 2-methylbutane 2 CH 3 CH 2 CH 2 CH CH 2 CH 2 CH 3 CH 2 CH 3 4-ethylheptane 3 CH 3 CH 2 CH
CHEM 3719 - Organic Nomenclature Alkanes
CHEM 3719 - Organic Nomenclature Alkanes 1 Find the longest continuous carbon chain in the molecule Name the alkane after the “normal” (straight chain) alkane with the same number of carbons The Normal Alkanes Number of carbons Name Formula Number of carbons Name Formula 1 methane CH 4 11 undecane CH 3 (CH 2) 9 CH 3 2 ethane CH 3 CH 3
(Straight-Chain) Alkane Nomenclature Alkane (C H
(Straight-Chain) Alkane Nomenclature Alkane (CnH2n+2) Name Alkyl group Alkyl name methane -CH3 methyl CH3CH3 ethane -CH2CH3 ethyl CH3CH2CH3 propane -CH2CH2CH3 propyl CH3CH2CH2CH3 butane C5H12 pentane C6H14 hexane -CH2CH2CH2CH2CH2CH3 hexyl C7H16 heptane C8H18 octane C9H20 nonane C10H22 decane C11H24 undecane C12H26 dodecane
Alkanes, Alkenes, Alkynes Cycloalkanes, Bicyclics, Alkyl
•The alkane with the same number of total carbons is used as the parent and the prefix bicyclo- is used Bicyclo [2 2 1] heptane •The number of carbons in each bridge is included in the middle of the name in square brackets •For substituents: number the largest ring; the substituent can get a large number Bicyclic Compounds Nomenclature
Worksheet: Naming and Drawing Alkanes
Apr 25, 2012 · SCH 4U0 Name: _____ Unit: Hydrocarbons Date: _____ Worksheet: Alkanes Worksheet: Naming and Drawing Alkanes For each alkane write the correct IUPAC name
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