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Synthesis of Heterocyclic Organosilicon Di- and Polyfunctional Compounds

✍ Scribed by O. Mukbaniani; G. Zaikov; T. Tatrishvili; N. Mukbaniani

Publisher
John Wiley and Sons
Year
2007
Weight
11 KB
Volume
38
Category
Article
ISSN
0931-7597

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## Abstract 2‐Dimethylaminomethylene‐ and 2‐ethoxymethylene‐1,3‐indendione **__1a,b__** react with 6‐amino‐2‐thioxopyrimidin‐4(3__H__)‐one **__2__** in boiling acetic acid to give 2‐thioxo‐1,3‐dihydroindeno[3,2‐__d__]pyrimidino[4,5‐__b__]pyridine‐4,9‐dione (**__4__**). The latter compound reacts wi