科研之友
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摘要
A new, fast and easy method for one-pot reaction of aromatic aldehydes and dialdehydes with malononitrile and cyanogen bromide has been developed to afford full substituted 3-arylcyclopropane-1,1,2,2-tetracarbonitriles in excellent yields in very short time (about 5 seconds). The structures elucidations were characterized by IR, H-1 NMR, C-13 NMR, mass spectrometry and X-ray crystallography techniques. For these compounds the crystallographic data showed two structures in mirror image in solid case and one distinct structure in solution. The reaction mechanism was discussed.
- 出版日期2013-1
