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摘要
A simple and efficient procedure was developed for the synthesis of 1-aryl-3-cyano-4-oxo- 10-ethoxycarb onylazuleno [2,1-b]pyridazines (3) in good yields by condensation of ethyl 1-cyanoacetyl-2-methoxyazulene-3-carboxylate (1) with aryldiazonium salt (2) in pyridine via a domino reaction. This reaction provides a new procedure for synthesis of heterocyle-fused azulenes.
- 出版日期2016-1-1
- 单位渤海大学
