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Synthesis and 13C-NMR study of novel pyrazolo[5′,1′:3, 4][1, 2, 4]triazino[5, 6-d]pyrimidines

✍ Scribed by Yoshihisa Kurasawa; Yumiko Kamigaki; Ho Sik Kim; Rika Futatsukawa; Megumi Kanoh; Mari Okiyama; Atsushi Takada; Yoshihisa Okamoto

Book ID: 112129303
Publisher: Journal of Heterocyclic Chemistry
Year: 1989
Tongue: English
Weight: 228 KB
Volume: 26
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570260363

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## Abstract magnified image __E__‐3‐(__N,N__‐Dimethylamino)‐1‐(3‐methylthiazolo[3,2‐__a__]benzimidazol‐2‐yl)prop‐2‐en‐1‐one (**2**) was synthesized by the reaction of 1‐(3‐methylthiazolo[3,2‐__a__]benzimidazol‐2‐yl)ethanone (**1**) with dimethylformamide‐dimethylacetal. The reaction of **2** with