Synthesis of Diiodinated All-Carbon 3,3'-Diphenyl-1,1'-spirobiindene Derivatives via Cascade Enyne Cyclization and Electrophilic Aromatic Substitution.
Li, Quanzhe; Yu, Liuzhu; Wei, Yin; Shi, Min; The Journal of organic chemistry 84 (2019) 9282–9296; doi:10.1021/acs.joc.9b01418

data_4034190
_publ_section_title
;
 Synthesis of Diiodinated All-Carbon 3,3'-Diphenyl-1,1'-spirobiindene
 Derivatives via Cascade Enyne Cyclization and Electrophilic Aromatic
 Substitution.
;
_journal_issue                   14
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9282
_journal_page_last               9296
_journal_paper_doi               10.1021/acs.joc.9b01418
_journal_volume                  84
_journal_year                    2019
_chemical_formula_sum            'C31 H24 O'
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_space_group_name_H-M_alt        'P 1 21/n 1'
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_cell_length_c                   17.804(2)
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_diffrn_measured_fraction_theta_max 1.000
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_diffrn_reflns_Laue_measured_fraction_full 0.978
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0594P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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_cod_original_cell_volume        2264.1(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4034190
_shelx_estimated_absorpt_t_min   0.987
_shelx_estimated_absorpt_t_max   0.993
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_shelx_res_checksum              65616
_shelx_hkl_checksum              66941