305.2 - The following are examples of trivial names retained for aldehydes:
Examples to Rule C-305.1
305.3 - The names of aldehydes corresponding to trivially named polybasic acids in which all of the carboxyl groups are changed to aldehyde groups are formed from the names of the acids by changing "-ic acid" to "-aldehyde".
Note: Since all the carboxyl groups of a polycarboxylic acid must be changed to aldehyde groups in order that the compound be named according to this Rule it is not necessary to introduce "di" or "tri" into such aldehyde names. (For aldehydic acids, see Rule C-415, and C-416.)
Examples to Rule C-305.3
305.4 - The names of amino aldehydes are formed from the names of the corresponding amino-free aldehydes. They are not formed from the trivial names of the amino acids unless the latter end in "-ic acid".
See Recommendations'93 R-5.6.1
Examples to Rule C-305.4
(compare Rule C-305.3)
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