頁籤選單縮合
| 題 名 | Synthesis of Pyrido [2,3-d] Pyrimidines Via the Reaction of Activated Nitriles with Aminopyrimidines |
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| 作 者 | Geies,Ahmed A.; | 書刊名 | Journal of the Chinese Chemical Society |
| 卷 期 | 46:1 1999.02[民88.02] |
| 頁 次 | 頁69-75 |
| 分類號 | 340 |
| 關鍵詞 | Pyridopyrimidines; Thiazolopyridopyrimidines; Triazolopyridopyrimidines; |
| 語 文 | 英文(English) |
| 英文摘要 | 6-Aminouracil and 6-aminothiouracil (la,b) were reacted with benzylidenemalononitrile 2a to afford the pyrido[2,3-d]pyrimidines 4a,b. On the other hand, the reaction of 1a,b with benzylidene ethyl cyanoacetate 2b result in a mixture of 5a,b and/or 6a,b respectively. Pyrido[2,3-d]thiazolo[1,2-b]pyrimidines 8a-c were synthesized from the reaction of 4b with a-halo compounds to give the intermediate derivatives 7a-c followed by cyclization using 70% H□SO□. |
本系統中英文摘要資訊取自各篇刊載內容。