Lutidine is the trivial name used to describe the chemical compounds which are dimethyl derivatives of pyridine. They were discovered in Dippel's oil and named (as an anagram of toluidine, with which they share their empirical formula) by Thomas Anderson in 1851.[1] Their chemical properties resemble those of pyridine, although the presence of the methyl groups may prohibit some of the more straightforward reactions. Lutidine comes in several isomers:
- 2,3-Lutidine (2,3-dimethylpyridine)
- 2,4-Lutidine (2,4-dimethylpyridine)
- 2,5-Lutidine (2,5-dimethylpyridine)
- 2,6-Lutidine (2,6-dimethylpyridine)
- 3,4-Lutidine (3,4-dimethylpyridine)
- 3,5-Lutidine (3,5-dimethylpyridine)
| Lutidines | ||||||
| Name | 2,3-Lutidine | 2,4-Lutidine | 2,5-Lutidine | 2,6-Lutidine | 3,4-Lutidine | 3,5-Lutidine |
| Systematic Name | 2,3-Dimethylpyridine | 2,4-Dimethylpyridine | 2,5-Dimethylpyridine | 2,6-Dimethylpyridine | 3,4-Dimethylpyridine | 3,5-Dimethylpyridine |
| Structural formula | 
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| CAS Registry Number | 583-61-9 | 108-47-4 | 589-93-5 | 108-48-5 | 583-58-4 | 591-22-0 |
All isomers share the molecular weight 107,16 g/mol and the chemical formula C7H9N.
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- ^ Anderson, Thomas (1851-04-21). "On the Products of the Destructive Distillation of Animal Substances. Part II". Transactions of The Royal Society of Edinburgh. 20 (2) (published 1853): 247–260. doi:10.1017/S0080456800033160. ISSN 2053-5945.