## 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
Preparation de l'acide méso diamino-2, 6 heptane-dioique-1, 7-[3H-3, 4, 5] (méso-diamino pimelique-[3H-3, 4, 5])
✍ Scribed by D. Schott; B. Rousseau; J. P. Beaucourt; J. P. Lellouche; L. Pichat
- Publisher
- John Wiley and Sons
- Year
- 1985
- Tongue
- French
- Weight
- 200 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0022-2135
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## Abstract The ultrasound‐promoted cyclocondensation of guanidines (I) with 2‐amino‐2‐thioxoacetate (II) leads to the novel title triazinones (III) (7 examples).
R)-2 peut aussi &tre obtenu par dCpolymCrisation d'un poly-(R)-hydroxy-3-butanoate d'alkyle [4].