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3-methylthio-1,2-dithiolylium salts : Reaction with 4-hydroxy-6-methyl-2H-pyran-2-one and 4-hydroxycoumarin

✍ Scribed by E.G. Frandsen

Publisher
Elsevier Science
Year
1977
Tongue
French
Weight
392 KB
Volume
33
Category
Article
ISSN
0040-4020

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## Abstract 3‐(Bromoacetyl)‐4‐hydroxy‐6‐methyl‐2__H__‐pyran‐2‐one was synthesized by the reaction of dehydroacetic acid (DHAA) with bromine in glacial acetic acid. Novel heterocyclic products were synthesized from the reaction of bromo‐DHAA with alkanediamines, phenylhydrazines, __ortho__‐phenylene