PRODUCTS FROM THE ADDITION OF ACETOACETIC ESTER OR ACETYLACETONE TO 3-NITRO-2<i>Н</i>-CHROMENES – AXIALLY CHIRAL <i>trans,trans</i>-2,3,4-TRISUBSTITUTED CHROMANS AND RELATED PYRAZOLES
DOI:
https://doi.org/10.1007/2566Keywords:
chromans, 1, 3-dicarbonyl compounds, 3-nitro-2Н-chromenes, pyrazoles, atropisomerism, nucleophilic additionAbstract
The trans,trans-2,3,4-trisubstituted chromans, previously described by us as addition products of acetoacetic ester or acetylacetone at the activated double bond of 2-substituted 3-nitro-2Н-chromenes, are axially chiral molecules due to the hindered rotation around the C(sp3)–C(sp2) bond.
How to Cite
Korotaev, V. Yu.; Kutyashev, I. B.; Barkov, A. Yu.; Ezhikova, M. A.; Kodess, M. I.; Sosnovskikh, V. Ya. Chem. Heterocycl. Compd. 2015, 51, 704. [Khim. Geterotsikl. Soedin. 2015, 51, 704.]
For this article in the English edition see DOI 10.1007/s10593-015-1762-x