Chemoselective Arylamidine Cyclizations: Mild Formation of 2-Arylimidazole-4-carboxylic Acids
摘要:
A versatile, one-pot synthesis of 2-arylimidazole-4-carboxylic acids from arylamidines and methyl-2-chloroacetoacetate is described. The transformation is chemoselective, and reaction conditions are mild. Moreover, the flexibility of the strategy offers rapid access to two important classes of biaryl compounds, both 2-arylimidazoles and 2-arylpyrimidines, depending simply upon solvent and base selection.
Chemoselective Arylamidine Cyclizations: Mild Formation of 2-Arylimidazole-4-carboxylic Acids
作者:Joshua C. Yoburn、Subramanian Baskaran
DOI:10.1021/ol0514855
日期:2005.8.1
A versatile, one-pot synthesis of 2-arylimidazole-4-carboxylic acids from arylamidines and methyl-2-chloroacetoacetate is described. The transformation is chemoselective, and reaction conditions are mild. Moreover, the flexibility of the strategy offers rapid access to two important classes of biaryl compounds, both 2-arylimidazoles and 2-arylpyrimidines, depending simply upon solvent and base selection.