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The following is a list of straight-chain alkanes, the total number of isomers of each (including branched chains), and their common names, sorted by number of carbon atoms. [ 1 ] [ 2 ] Number of C atoms
The side chains are: an ethyl- at carbon 4, an ethyl- at carbon 8, and a butyl- at carbon 12. Note: the −O−CH 3 at carbon atom 15 is not a side chain, but it is a methoxy functional group. There are two ethyl- groups. They are combined to create, 4,8-diethyl. The side chains are grouped like this: 12-butyl-4,8-diethyl.
The prefixes for naming carbon chains containing one to four carbons. For chains containing five or more carbons, the inorganic prefixes (e.g. pent = 5, hept = 7) are ...
Identify the longest continuous chain of carbon atoms; Name this longest root chain using standard naming rules; Name each side chain by changing the suffix of the name of the alkane from "-ane" to "-yl" Number the longest continuous chain in order to give the lowest possible numbers for the side-chains [10]
From Figure 1, oxy subunits are take precedence over acyclic carbon chain subunits. The preferred CRU is chosen as that with the lowest possible locant (s) for substituents . In the example, there is a bromo-substituted -CH 2 -CH 2 - subunit. 1-Bromoethane-1,2-diyl is chosen in preference to 2- bromoethane-1,2-diyl as the former has a lower ...
The α-carbon (alpha-carbon) refers to the first carbon atom that attaches to a functional group, such as a carbonyl. The second carbon atom is called the β-carbon ( beta -carbon), the third is the γ-carbon ( gamma -carbon), and the naming system continues in alphabetical order.
IUPAC nomenclature is used for the naming of chemical compounds, based on their chemical composition and their structure. [1] For example, one can deduce that 1-chloropropane has a Chlorine atom on the first carbon in the 3-carbon propane chain.
The main carbon chain is the longest possible continuous chain. The chemical affix denotes what type of molecule it is. For example, the ending ane denotes a single bonded carbon chain, as in "hexane" (C 6 H 14). [30] Another example of IUPAC organic nomenclature is cyclohexanol: Cyclohexanol. The substituent name for a ring compound is cyclo ...