专利号:US-8895747-B2 优先权日:2009-07-27 标 题 :Method and substances for preparation of N-substituted pyridinium compounds 发明人:HEINDL DIETER; MAERZ HERIBERT; SCHMIDT AXEL 权利人:HEINDL DIETER; MAERZ HERIBERT; SCHMIDT AXEL; ROCHE DIAGNOSTICS OPERATIONS 摘要:Methods for the synthesis of N-substituted pyridinium compounds by using an N-heteroaryl substituted pyridinium salt (Zincke salt) and reacting it with a nucleophilic amine are provided. Novel purine-substituted pyridyl compounds, which may be useful reagents in the above reaction, are also disclosed.