Condensed Heteroaromatic Ring Systems. XXI. Synthesis of Pyrrolo(2,3-d)pyrimidines and Pyrrolo(3,2-d)pyrimidines.
作者:Takao SAKAMOTO、Chisato SATOH、Yoshinori KONDO、Hiroshi YAMANAKA
DOI:10.1248/cpb.41.81
日期:——
Pyrrolo[2, 3-d]pyrimidines and pyrrolo[3, 2-d]pyrimidines were synthesized in high yields by the palladiumcatalyzed reaction of 4-acetylamino-5-bromopyrimidines and 5-acetylamino-4-iodopyrimidines with (Z)-1-ethoxy-2-(tributylstannyl)ethene followed by cyclization under acidic conditions.
在钯催化下,4-乙酰氨基-5-溴嘧啶和 5-乙酰氨基-4-碘嘧啶与(Z)-1-乙氧基-2-(三丁基锡)乙烯反应,然后在酸性条件下环化,高产率合成了吡咯并[2,3-d]嘧啶和吡咯并[3,2-d]嘧啶。