Synthesis of Pyrazinopyrazine-Fused Azaacenes through Direct Condensation Reactions between Quinoxalinediamine and Diketones.
Yuan, Yuping; Lo, Kin-Cheung; Szeto, Lap; Chan, Wai-Kin; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.9b03504

data_4038321
_publ_section_title
;
 Synthesis of Pyrazinopyrazine-Fused Azaacenes through Direct Condensation
 Reactions between Quinoxalinediamine and Diketones.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.9b03504
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_diffrn_measured_fraction_theta_max 0.998
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'Bruker D8 Venture with Photon100 CMOS detector'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+2.2505P] where P=(Fo^2^+2Fc^2^)/3'
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_cod_original_cell_volume        1899.8(11)
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