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Synthesis of some 5H-imidazo[4,5-e]-as-triazin-6-(7H)ones (6-azapurin-8-ones)

✍ Scribed by Fumio Yoneda; Masatsugu Higuchi; Yoshihiro Nitta

Book ID
112126064
Publisher
Journal of Heterocyclic Chemistry
Year
1980
Tongue
English
Weight
152 KB
Volume
17
Category
Article
ISSN
0022-152X

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Synthesis of novel 6,7-dihydro-5H-pyrimi
Synthesis of novel 6,7-dihydro-5H-pyrimido[4,5-e][1,4]diazepin-8(9H)-ones
✍ Jinbao Xiang; Xiaowei Hu; Qun Dang; Xu Bai πŸ“‚ Article πŸ“… 2011 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 84 KB

## Abstract A new method was developed for the synthesis of 6,7‐dihydro‐5__H__‐pyrimido[4,5‐__e__][1,4]diazepin‐8(9__H__)‐one derivatives. The key to construct the pyrimido[4,5‐__e__][1,4]diazepine core is the intramolecular amidation of __N__‐((4‐amino‐6‐chloropyrimidin‐5‐yl)methyl)‐substituted am