Synthesis of cyano-substituted carbazoles via successive C-C/C-H cleavage.
Yang, Yajie; Huang, Jiaqi; Tan, Hailu; Kong, Lingkai; Wang, Mengdan; Yuan, Yang; Li, Yanzhong; Organic & biomolecular chemistry 17 (2019) 958–965; doi:10.1039/c8ob03031f

data_7156629
_publ_section_title
;
 Synthesis of cyano-substituted carbazoles via successive C-C/C-H
 cleavage.
;
_journal_issue                   4
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              958
_journal_page_last               965
_journal_paper_doi               10.1039/c8ob03031f
_journal_volume                  17
_journal_year                    2019
_chemical_formula_sum            'C27 H18 N2 O2'
_chemical_formula_weight         402.43
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2018-04-04 deposited with the CCDC.
2019-01-03 downloaded from the CCDC.
;
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_diffrn_ambient_temperature      173(2)
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_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0567
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_diffrn_reflns_point_group_measured_fraction_full 0.998
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_exptl_crystal_colour            colorless
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_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
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_refine_ls_matrix_type           full
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_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0497
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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^)+(0.0553P)^2^+4.9709P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                3492
_reflns_number_total             3876
_reflns_threshold_expression     'I > 2\s(I)'
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_cod_depositor_comments
'Adding full bibliography for 7156627--7156629.cif.'
_cod_database_code               7156629
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_shelx_res_checksum              16177