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Structures of 1,2,3,4-tetrahydro-6H-pyrimido[2,1-b]-quinazolin-6-one and its hydrochloride

✍ Scribed by Marek L. Glówka; Andrzej Olczak; Lucyna Korzycka

Publisher
Springer
Year
1994
Tongue
English
Weight
277 KB
Volume
24
Category
Article
ISSN
1572-8854

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## Abstract The reaction of 1‐aryl‐3‐(dimethylamino)‐1‐propanones 1 with one equivalent of 4,5‐diamino‐1__H__‐pyrimidin‐6‐ones 2, in acidic medium, leads to the formation of 4‐aryl‐2,3,6,7‐tetrahydro‐1__H__‐pyrimido[4,5‐__b__]‐[1,4]diazepin‐6‐ones 3. The structure elucidation of the products is bas