期刊
SYNTHESIS-STUTTGART
卷 -, 期 10, 页码 1731-1735出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0029-1219748
关键词
alum [KAl(SO4)(2)center dot 12H(2)O]; spiro-2-amino-4H-pyrans; 4-hydroxycoumarin
资金
- Research Council of Arak University
Some new mono- and bis(spiro-2-amino-4H-pyrans) are synthesized by the multicomponent condensation reaction of 4-hydroxycoumarin and malononitrile with isatins, ninhydrin, 9,10-phenanthrenequinone, or acenaphthenequinone. Alum was found to be a suitable and efficient catalyst for this condensation.
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