期刊
TETRAHEDRON
卷 66, 期 13, 页码 2331-2339出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.02.014
关键词
tert-Amino effect; Regioselective Suzuki coupling; Microwave; Fused azecine ring systems
资金
- Hungarian Scientific Research Fund [K73389]
Novel fused azecine ring systems were synthesized via the microwave-assisted thermal isomerization of terphenyl or biphenyl-pyridazine compounds possessing a vinyl and a tert-amino group, through application of a new extension of the tert-amino effect. Substrates for the ring closure were prepared from ortho-dihalobenzene or pyridazinone by consecutive Suzuki couplings with ortho-sec-amino- and formylphenylboronic acids, followed by Knoevenagel condensation of the aldehydes obtained. (C) 2010 Elsevier Ltd. All rights reserved.
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