Diversity-Oriented Synthesis of Biaryl-Containing Medium Rings Using a One Bead/One Stock Solution Platform
David R. Spring; Shyam Krishnan; Helen E. Blackwell; Stuart L. Schreiber; Journal of the American Chemical Society 124 (2002) 1354–1363; doi:10.1021/ja017248o

data_4114639
_publ_section_title
;
 Diversity-Oriented Synthesis of Biaryl-Containing Medium Rings Using a
 One Bead/One Stock Solution Platform
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1354
_journal_page_last               1363
_journal_paper_doi               10.1021/ja017248o
_journal_volume                  124
_journal_year                    2002
_chemical_formula_sum            'C16 H40 Br4 Li4 O4'
_chemical_formula_weight         643.88
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 111.956(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.8106(17)
_cell_length_b                   11.6626(12)
_cell_length_c                   15.5911(15)
_cell_measurement_temperature    293(2)
_cell_volume                     3003.7(5)
_computing_cell_refinement       'SMART (BRUKER, V5.054, 1998)'
_computing_data_collection       'ASTRO (BRUKER, V5.007, 1997)'
_computing_data_reduction        'SAINT (BRUKER, V6.01, 1999)'
_computing_molecular_graphics    'SHELXTL (BRUKER, 1998, V5.1)'
_computing_publication_material  'XCIF (Sheldrick and BRUKER, 1997, V5.1)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_method       '\w, 0.3 deg'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0721
_diffrn_reflns_av_sigmaI/netI    0.0637
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9764
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.14
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.373
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.424
_exptl_crystal_description       chunk
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.508
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    fixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         3656
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0912
_refine_ls_R_factor_gt           0.0423
_refine_ls_shift/su_max          0.055
_refine_ls_shift/su_mean         0.010
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0384P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0983
_refine_ls_wR_factor_ref         0.1097
_reflns_number_gt                1916
_reflns_number_total             3656
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja017248o_s2_17.cif
_cod_data_source_block           sls51t
_cod_database_code               4114639