I have been tasked with naming Myrcene. (see image below)

enter image description here

Which of the following names is correct?




Thank you in advance :)

  • $\begingroup$ Where would the two terms appear in a dictionary? $\endgroup$ – user55119 Mar 20 at 21:59
  • $\begingroup$ Priorities of substitutents need to be considered only while numbering the chain. When naming it after you've numbered it properly, the different substitutents need to be arranged in alphabetical order. Thus the first name is correct, since methyl comes before methylidene in alphabetical order. $\endgroup$ – Ankit Kumar Misra Mar 21 at 5:32
  • $\begingroup$ I wanted to figure it out for myself and specifically avoid looking up its name. Why is it that methyl comes before methylidene in alphabetical order?- I mean, don't they consist of the same 6 first letters? $\endgroup$ – Patrick Mar 21 at 10:15
  • $\begingroup$ @Patrick — This is a convention so we can determine the alphabetical order for any two words; so "methyl" alone comes before any "methyl" followed by any character. $\endgroup$ – SteffX Mar 28 at 10:18

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