An Unusual Reaction of Benzalaminoacetals in Trifluoroacetic Acid: Facile Synthesis of 2-Benzylpyrazines
作者:John Kallikat Augustine、Yanjerappa Arthoba Naik、Ashis Baran Mandal、Umesha Kundapur
DOI:10.1021/jo702448a
日期:2008.2.1
Benzalaminoacetals (1), upon refluxing with trifluoroacetic acid, lead to 2-benzylpyrazines, rather than the expected isoquinolines. This unusualreaction represents another useful way to prepare a variety of 2-benzylpyrazines from the corresponding benzaldehydes.