The Marriage of Metallacycle Transfer Chemistry with Suzuki-Miyaura Cross-Coupling To Give Main Group Element-Containing Conjugated Polymers
Gang He; Le Kang; William Torres Delgado; Olena Shynkaruk; Michael J. Ferguson; Robert McDonald; Eric Rivard; Journal of the American Chemical Society 135 (2013) 5360–5363; doi:10.1021/ja402242z

data_4119575
_publ_contact_author_address
;
Department of Chemistry
University of Alberta
Edmonton
AB T6G 2G2
CANADA
;
_publ_contact_author_email       ERIVARD@UALBERTA.CA
_publ_contact_author_name        'E. Rivard'
_publ_section_title
;
 The Marriage of Metallacycle Transfer Chemistry with Suzuki-Miyaura
 Cross-Coupling To Give Main Group Element-Containing Conjugated Polymers
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5360
_journal_page_last               5363
_journal_paper_doi               10.1021/ja402242z
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C20 H34 B2 O4'
_chemical_formula_sum            'C20 H34 B2 O4'
_chemical_formula_weight         360.09
_chemical_name_common            2
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_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 112.9870(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.435(2)
_cell_length_b                   7.3864(8)
_cell_length_c                   16.1312(17)
_cell_measurement_reflns_used    5089
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.37
_cell_measurement_theta_min      2.28
_cell_volume                     2131.8(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
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_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
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_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            8348
_diffrn_reflns_theta_full        26.47
_diffrn_reflns_theta_max         26.47
_diffrn_reflns_theta_min         2.28
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9808
_exptl_absorpt_correction_T_min  0.9743
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
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_exptl_crystal_description       fragment
_exptl_crystal_F_000             784
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_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     118
_refine_ls_number_reflns         2205
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0459
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0643P)^2^+1.5162P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_number_gt                1830
_reflns_number_total             2205
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ja402242z_si_002_3.cif
_cod_data_source_block           riv12b0
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4119575