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The usage of non-standard prefixes such as "iso" has never been defined with hard, unambiguous rules such as those in the IUPAC recommendations. Instead, their usage has often more been "by convention". In Organic Chemistry (1st ed.) by Clayden et al., the authors write (p 315): Strictly speaking, if the standard meaning of ‘iso’ is followed, the name ...


9

There's a technicality in that the 2013 IUPAC recommendations (Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013 (Blue Book)) have slightly awkward preferred IUPAC names for simple amines like these. The preferred IUPAC name for your molecule is "N,N-dimethylethanamine" (as described by P-62.2.2.1 on p 671, but note that there ...


3

You have already found out that the carboxylic acid group is the principal characteristic group. Therefore, the ester group has to be expressed as a prefix. The corresponding rule in Nomenclature of Organic Chemistry – IUPAC Recommendations and Preferred Names 2013 (Blue Book)) reads as follows. P-65.6.3.2.3 Esters cited as prefixes When, in an ester ...


1

Yes, you should account for the water molecule outside the coordination sphere. In most cases, you do not need to do so, but if you are looking for specificity and/or want to describe the physical or chemical properties of this particular hydrate, it is advised to also mention the number of molecules of water of crystalliation. The correct IUPAC name, in ...


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