Expeditious Approach to Pyrrolophenanthridones, Phenanthridines, and Benzo[c]phenanthridines via Organocatalytic Direct Biaryl-Coupling Promoted by Potassium tert-Butoxide
Subhadip De; Sourabh Mishra; Badrinath N. Kakde; Dhananjay Dey; Alakesh Bisai; Journal of Organic Chemistry 78 (2013) 7823–7844; doi:10.1021/jo400890k

data_4028488
_publ_section_title
;
 Expeditious Approach to Pyrrolophenanthridones, Phenanthridines, and
 Benzo[c]phenanthridines via Organocatalytic Direct Biaryl-Coupling
 Promoted by Potassium tert-Butoxide
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7823
_journal_page_last               7844
_journal_paper_doi               10.1021/jo400890k
_journal_volume                  78
_journal_year                    2013
_chemical_formula_sum            'C20 H19 N O2'
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_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 80.074(3)
_cell_angle_gamma                78.396(2)
_cell_formula_units_Z            4
_cell_length_a                   10.9095(6)
_cell_length_b                   12.0094(7)
_cell_length_c                   13.3449(7)
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.1898
_cell_measurement_theta_min      2.3524
_cell_volume                     1623.43(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
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_diffrn_reflns_limit_h_max       13
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_exptl_absorpt_correction_T_min  0.9763
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.249
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_exptl_crystal_size_max          0.30
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_exptl_crystal_size_min          0.10
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_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     421
_refine_ls_number_reflns         6993
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_refine_ls_R_factor_all          0.0735
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0650P)^2^+0.1494P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1210
_refine_ls_wR_factor_ref         0.1367
_reflns_number_gt                4673
_reflns_number_total             6993
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo400890k_si_004.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
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The following automatic conversions were performed:

data name '_iucr_refine_instruction_details' was replaced with
'_iucr_refine_instructions_details' as specified in the replacement
file 'data/replacement-values/replacement_tags.lst'.

Automatic conversion script
Id: cif_correct_tags 9268 2022-04-12 08:56:07Z antanas 
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_cod_database_code               4028488