Cyclic quaternary ammonium salts. Part VI. Synthesis of thiazolo-[3,2-a]pyrazin-5-ium salts
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- No. 18,p. 2270-2273
- https://doi.org/10.1039/j39690002270
Abstract
The synthesis of the 2-oxides of thiazolo[3,2-a]pyrazinum salts (IV) and their deoxygenation to the title compounds (V) is described. An alternative route to the title compounds by intramolecular cyclisation of the anils formed between 2-acylthiazoles and aminoacetaldehyde dimethylacetal is also described.Keywords
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