Synthesis and Structure of a New Semisynthetic Taraxerone Derivative Fused to a Pyrazine Ring through the C 2 –C 3  Bond

A. D. Zorina; N. S. Nikiforova; G. L. Starova; S. A. Marchenko; S. I. Selivanov; R. E. Trifonov

doi:10.1134/S1070428018030247

Synthesis and Structure of a New Semisynthetic Taraxerone Derivative Fused to a Pyrazine Ring through the C²–C³ Bond

Authors: Zorina A.D.¹, Nikiforova N.S.¹, Starova G.L.¹, Marchenko S.A.¹, Selivanov S.I.¹, Trifonov R.E.¹
Affiliations:
1. St. Petersburg State University
Issue: Vol 54, No 3 (2018)
Pages: 514-516
Section: Short Communications
URL: https://journal-vniispk.ru/1070-4280/article/view/217469
DOI: https://doi.org/10.1134/S1070428018030247
ID: 217469

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Abstract

A new semisynthetic derivative of natural taraxerone fused to a pyrazine ring through the C²–C³ bond, (4aR,6bR,14aR,16aS)-2,2,4a,6b,9,9,14a,16a-octamethyl-1,2,3,4,4a,5,6b,7,8,8a,9,14,14a,14b,15,16,16a,16boctadecahydrochryseno[1,2-g]quinoxaline, has been synthesized by the Willgerodt–Kindler reaction, and its structure was determined by X-ray analysis and NMR spectroscopy.