Bulletin of the Chemical Society of Japan p. 2419 - 2424 (1988)
Update date:2022-08-04
Topics:
Matsumura, Noboru
Tomura, Masaaki
Mori, Osamu
Tsuchiya, Yuko
Yoneda, Siego
Toriumi, Koshiro
Symmetrical tetraazapentalene derivatives 5 and 6 were synthesized by a convenient one-pot reaction using lithium thioureide/phenacyl chloride/alkyl (or allyl) isothiocyanate system.Unsymmetrical tetraazapentalene derivatives 8 were prepared by the reaction of various isothiocyanates with thiadiazolopyrimidine derivatives 7 which were derived from symmetrical tetraazapentalene derivatives.The structure of 5c was determined by a single crystlal X-ray diffraction.
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