Unformatted text preview: sec-, tert-, n- don't). 4. Append di, tri, tetra etc. to any group names if the group occurs more than once in the molecule. Those number prefixes are not part of the alphabetization. 5. Put all group names in their alphabetic order in front of the principal chain name. 6. Assign the appropriate numbers to each group, based on the already-set numbering of the principal chain. These numbers are written just before the group, and are separated from the group names both before and after the number by hyphens. If there are multiple numbers before a group name (e.g. "-2,2,4-trimethyl-") those are separated by commas. 1...
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- Spring '11
- Latin alphabet, Collation, principal chain