Reaction of tetraazathiapentalene and th
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Noboru Matsumura; Atsushi Ito; Masaaki Tomura; Yasuyuki Okumura; Kazuhiko Mizuno
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Article
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2004
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Journal of Heterocyclic Chemistry
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English
⚖ 147 KB
## Abstract Tetraazathiapentalene derivative 1 reacts with heterocumulenes such as diphenylketene (2) and 2‐pyridylisothiocyanate (5) to give heterocycles 3, 6 and 7 with elimination of methylisothiocyanate. The reactions of thiadiazolopyrimidine derivatives 8a‐b with ethoxycarbonyl isothiocyanate