Abstract
The base catalysed reaction of carbon disulphide with the active methylene groups of chloropyridines 4 and 7, followed by alkylation with reagents which also contain active methylene groups, lead to ketene dithioacetals. Further reaction with base afforded highly substituted thiophenes.
Original language | English |
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Pages (from-to) | 1657 - 1662 |
Number of pages | 6 |
Journal | Heterocycles |
Volume | 82 |
Issue number | 2 |
DOIs | |
Publication status | Published - Mar 2011 |
Keywords
- Base catalysed
- Thorpe reaction
- Dieckmann reaction
- Carbon disulfide
- Cyclization