Synthesis of chromeno[2,3-b]chromenes from 2-dimethylaminophenols and malononitrile View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2013-08-04

AUTHORS

V. A. Osyanin, D. V. Osipov, D. D. Borisov, Yu. N. Klimochkin

ABSTRACT

5a-Amino-5aH,11H-chromeno[2,3-b]chromene-11a(12H)-carbonitriles were synthesized from malono-nitrile and o-quinone methides, generated in situ by the thermolysis of phenolic Mannich bases in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene. It was also shown that this heterocyclic system can be obtained from 2-amino-4H-chromene-3-carbonitriles and the aforementioned o-quinone methides.

PAGES

683-688

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10593-013-1298-x

DOI

http://dx.doi.org/10.1007/s10593-013-1298-x

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1036263797


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