Oxa-
| Use of the prefix Oxa- in chemical nomenclature |
 3,5,9-Oxa-1-undecanamine contains oxygen atoms in positions 3, 5 and 9 of the parent compound 1-undecanamine, each of which replaces a methylene group - CH 2 - . |
 For comparison, the parent compound 1-undecanamine. |
Oxa - (from the Latin oxygenium , 'oxygen') is a prefix used for chemical compounds in which a carbon atom has been replaced by an oxygen atom. The number preceding the name indicates which carbon atom has been replaced.
Examples
- Naming ethers such as B. 3,5,9-oxa-1-undecanamine
- Naming of oxygen heterocycles according to the Hantzsch-Widman system such. B. 9-oxaanthracene ( xanthene )
See also
- Thia- , a prefix in chemistry, for replacing a carbon atom with sulfur
- Selena- , a prefix in chemistry for replacing a carbon atom with selenium
Individual evidence
- ↑ Otto-Albrecht Neumüller (Ed.): Römpps Chemie-Lexikon. Volume 4: M-Pk. 8th revised and expanded edition. Franckh'sche Verlagshandlung, Stuttgart 1985, ISBN 3-440-04514-5 , p. 2940.