Chemical Forums
Chemistry Forums for Students => Organic Chemistry Forum => Topic started by: MaxwellIron26 on September 13, 2020, 06:22:04 PM
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Hello,
My professor has provided me with some problems in which instructions are given to draw the Newman projection of a molecule down the 3-4 carbon bond.However, the molecule is unnumbered; we have to find the 3 and 4 carbon for ourselves. Do regular IUPAC naming rules apply, meaning that I should simply find the longest carbon chain and number appropriately? Or, is the case different when drawing Newman projections?
Thank you to anyone who will assist me!
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And how do you want to clearly indicate which chemical bond the projection concerns?
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In absence of other information I don't see a reason not to use IUPAC. Speaking more broadly, it is sometimes convenient to number a molecule in some other way than one would number it for nomenclature.