Synthesis and structural studies of 5,7(4,6)-di(tert-butyl)-2-(6,8-dimethyl-4-chloroquinolin-2-yl)-1,3-tropolones by quantum-chemical methods and two-dimensional correlation NMR spectroscopy
- Authors: Borodkin G.S.1, Kolodina A.A.1, Dorogan I.V.1, Gusakov E.A.1, Borodkina I.G.1, Chepurnoi P.B.1, Sayapin Y.A.1,2
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Affiliations:
- Institute of Physical and Organic Chemistry
- Southern Research Center
- Issue: Vol 472, No 1 (2017)
- Pages: 11-16
- Section: Chemistry
- URL: https://journals.rcsi.science/0012-5008/article/view/153897
- DOI: https://doi.org/10.1134/S0012500817010049
- ID: 153897
Cite item
Abstract
4,6-Di(tert-butyl)-2-(quinolin-2-yl)-1,3-tropolone (7′) was isolated for the first time from the acid-catalyzed reaction of 2-methyl-substituted nitrogen heterocycles with 1,2-benzoquinones, which proceeds with the expansion of the o-quinone ring to give mainly isomeric 5,7-di(tert-butyl)-2-(quinolin-2-yl)-1,3-tropolone.
About the authors
G. S. Borodkin
Institute of Physical and Organic Chemistry
Author for correspondence.
Email: nmr@ipoc.sfedu.ru
Russian Federation, pr. Stachki 194/2, Rostov-on-Don, 344090
A. A. Kolodina
Institute of Physical and Organic Chemistry
Email: nmr@ipoc.sfedu.ru
Russian Federation, pr. Stachki 194/2, Rostov-on-Don, 344090
I. V. Dorogan
Institute of Physical and Organic Chemistry
Email: nmr@ipoc.sfedu.ru
Russian Federation, pr. Stachki 194/2, Rostov-on-Don, 344090
E. A. Gusakov
Institute of Physical and Organic Chemistry
Email: nmr@ipoc.sfedu.ru
Russian Federation, pr. Stachki 194/2, Rostov-on-Don, 344090
I. G. Borodkina
Institute of Physical and Organic Chemistry
Email: nmr@ipoc.sfedu.ru
Russian Federation, pr. Stachki 194/2, Rostov-on-Don, 344090
P. B. Chepurnoi
Institute of Physical and Organic Chemistry
Email: nmr@ipoc.sfedu.ru
Russian Federation, pr. Stachki 194/2, Rostov-on-Don, 344090
Yu. A. Sayapin
Institute of Physical and Organic Chemistry; Southern Research Center
Email: nmr@ipoc.sfedu.ru
Russian Federation, pr. Stachki 194/2, Rostov-on-Don, 344090; ul. Chekhova 41, Rostov-on-Don, 344006