参考标题:Synthesis Of 8-Substituted Xanthines Via 5,6-Diaminouracils: An Efficient Route To A2A Adenosine Receptor Antagonists 作者:Ma Dong,Mikhail Sitkovsky,Amy E. Kallmerten,Graham B. Jones |发布日期:2008.7 摘要:A One-Pot Route To 8-Substituted Xanthines Has Been Developed From 5,6-Diaminouracils And Carboxaldehydes. The Process, Promoted By (Bromodimethyl)Sulfonium Bromide, Is Mild And Efficient And Eliminates The Need For External Oxidants. Yields Are Good And The Process Is Applicable To A Range Of Substrates Including A Family Of A2A Adenosine Receptor Antagonists. Preparation Of A New Analog Of The Antagonist