Questions tagged [nomenclature]
This tag should be used for questions about the naming of compounds and elements, usually using systematic names according to IUPAC recommendations, but also using retained traditional names.
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Why does phosphinic acid not form pyroacids?
Why does $\ce{H3PO2}$ not form pyroacids? All I know is pyroacids are derived oxyacids obtained by removing one $\ce{H2O}$ molecule from two molecules of oxyacids. Correct me if this is wrong.
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Translation of ferric and ferrous to German
I am not sure if this question belongs to the Chemistry or German forum.
My question is basically in the title. Are there good translations of ferric and ferrous to German which retain the meaning of ...
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Nomenclature of monocyclic molecule with multiple insaturation
The PIN (Preferred IUPAC Name) of this molecule
is (Z)-cycloocta-3-en-1,5-diyne, but at first I thought it was (Z)-cycloocta-1-en-3,7-diyne, following the rules of the Blue Book, P.31.1.3
Can someone ...
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If the substituents are distinguishable, is it possible to prioritize them using the CIP rules?
In the R/S stereochemical nomenclature,
when we try to determine the priority of substituents around a chiral carbon, are there specific examples where the ranking cannot be definie under the CIP ...
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What structure is this? [closed]
What is the name of this structure?
It's close to Leucine but I'm not sure.
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Naming of cyclic acid anhydrides
For some cyclic anhydrides, the -dioic anhydride suffix seems to be used.
E.g. butanedioic anhydride (succinic anhydride).
How does this apply to anhydrides which are not symmetrical about the oxygen ...
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Is there a free, super simple app or website for IUPAC names from structures?
I am looking for a free, very simple tool for IUPAC names of organic molecules.
I teach high school chemistry, and it would be fantastic to have an app or web tool that students could use to draw ...
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Systematic method to determine D/L notation of substances other than amino acids and glyceraldehyde
The fundamental rules of D/L notation, as I understand it, are as follows;
In D/L notation, a molecule is named by mapping it to glyceraldehyde.
The D/L notation is based on the stereo configuration ...
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Can there be two IUPAC names of a compound?
What is the difference between propan-2-amine and 1-methylethanamine?
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IUPAC name of the following bicyclic / spiro compound
We have the given compound
It's IUPAC naming is more sinister than things seem.
It's not a proper bicyclic compound, or a proper spiro cpmpound either.
I could interpret the spiro compound in red, ...
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What is electrovalency and covalency?
I know that valence is defined in the Gold Book, and valency, electrovalency, and covalency are not defined. However, there are some terms that are confusing me. According to the given definitions, a ...
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Valence, Variable Valence, and Valency
As per the latest IUPAC Compendium of Chemical Terminology, informally known as the "Gold Book", the terms valency or variable valence are not defined; however, valence is defined as:
The ...
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Organic Chemistry: Numeric prefix for 9 carbons doesn't follow pattern of greek numbers [duplicate]
In the nomenclature of organic compounds, a numeric prefix is used for denoting the number of carbon atoms in the main structure. From "pent" onwards, they seem to follow a pattern of greek ...
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Name for HxOy compounds?
Is there a name for the class of stand alone molecules that contains oxygen, water, hydrogen peroxide, and ozone? ($\ce{O2}$, $\ce{H2O}$, $\ce{H2O2}$, $\ce{O3}$) I would not want to include hydroxyls $...
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Common name of CH2Cl2 [closed]
My book says geminal dihalide or alkylidene halide is the common name for dihaloalkanes where both halogen atoms(if of same element) are bonded to the same carbon atom and alkylene dihalide if 2 ...
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