Metal catalyst free cyclization of 3-alkynyl substituted 2-(indol-3-yl)quinoxalines in TFA alone: a new synthesis of indolophenazines.
Kumar, K. Shiva; Bhaskar, Boyapally; Ramulu, Meesa Siddi; Kumar, N. Praveen; Ashfaq, Mohd Ashraf; Pal, Manojit; Organic & biomolecular chemistry 15 (2016) 82–87; doi:10.1039/c6ob02340a

data_7155375
_publ_section_title
;
 Metal catalyst free cyclization of 3-alkynyl substituted
 2-(indol-3-yl)quinoxalines in TFA alone: a new synthesis of
 indolophenazines.
;
_journal_issue                   1
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              82
_journal_page_last               87
_journal_paper_doi               10.1039/c6ob02340a
_journal_volume                  15
_journal_year                    2016
_chemical_formula_moiety         'C26 H27 N3'
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;
2016-09-08 deposited with the CCDC.
2016-11-22 downloaded from the CCDC.
;
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_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0613P)^2^+0.6555P] where P=(Fo^2^+2Fc^2^)/3'
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'Adding full bibliography for 7155374--7155375.cif.'
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