Straightforward Synthesis of Oligopyrroles through a Regioselective SNAr Reaction of Pyrroles and Halogenated Boron Dipyrrins.
Jiang, Ting; Zhang, Ping; Yu, Changjiang; Yin, Jian; Jiao, Lijuan; Dai, En; Wang, Jun; Wei, Yun; Mu, Xiaolong; Hao, Erhong; Organic letters 16 (2014) 1952–1955; doi:10.1021/ol500507f

data_1514196
_publ_section_title
;
 Straightforward Synthesis of Oligopyrroles through a Regioselective SNAr
 Reaction of Pyrroles and Halogenated Boron Dipyrrins.
;
_journal_issue                   7
_journal_name_full               'Organic letters'
_journal_page_first              1952
_journal_page_last               1955
_journal_paper_doi               10.1021/ol500507f
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C23 H15 B Cl2 F2 N4'
_chemical_formula_weight         467.10
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.5010(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4601(8)
_cell_length_b                   21.5168(17)
_cell_length_c                   9.1282(7)
_cell_measurement_reflns_used    9660
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.61
_cell_measurement_theta_min      2.42
_cell_volume                     2053.8(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0230
_diffrn_reflns_av_sigmaI/netI    0.0195
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            17637
_diffrn_reflns_theta_full        27.68
_diffrn_reflns_theta_max         27.68
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.354
_exptl_absorpt_correction_T_max  0.9621
_exptl_absorpt_correction_T_min  0.9521
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.511
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.539
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     297
_refine_ls_number_reflns         4784
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0479
_refine_ls_R_factor_gt           0.0400
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0569P)^2^+0.7175P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1092
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                3999
_reflns_number_total             4784
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol500507f_si_002.cif
_cod_data_source_block           130702b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for
 ./tmp-cod-update-bibliographies-8800/cifs/1514196.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1514196