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Mesoionic compounds with a bridged nitrogen atom. 6. Polymethine dyes of the thiazolo[3,2-α] quinolinium 1-oxide series

✍ Scribed by L. T. Gorb; N. N. Romanov; K. V. Fedotov; A. I. Tolmachev

Book ID
112346033
Publisher
Springer US
Year
1981
Tongue
English
Weight
424 KB
Volume
17
Category
Article
ISSN
0009-3122

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. A mixture of 1.57 g (5 mmole) compound XV in i0 ml acetic acid was refluxed until the precipitate had disappeared. The reaction mixture was then cooled, diluted withwater, and the resulting precipitate was recrystallized from alcohol. Yield 1.2 g (76%). The physical chemical properties of benzoxa