?GaI?: A new reagent for chemo- and diastereoselective C?C bond forming reactions
Green, Shaun P.; Jones, Cameron; Stasch, Andreas; Rose, Richard P.; New Journal of Chemistry 31 (2007) 127–; doi:10.1039/b613669a

data_7052091
_publ_section_title
;
 ?GaI?: A new reagent for chemo- and diastereoselective C?C bond
 forming reactions
;
_journal_issue                   1
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              127
_journal_paper_doi               10.1039/b613669a
_journal_volume                  31
_journal_year                    2007
_chemical_formula_sum            'C30 H28 O3'
_chemical_formula_weight         436.52
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.0010(12)
_cell_length_b                   18.790(4)
_cell_length_c                   20.595(4)
_cell_measurement_temperature    150(2)
_cell_volume                     2322.3(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0683
_diffrn_reflns_av_sigmaI/netI    0.0691
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            13489
_diffrn_reflns_theta_full        25.33
_diffrn_reflns_theta_max         25.33
_diffrn_reflns_theta_min         2.93
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  0.992
_exptl_absorpt_correction_T_min  0.908
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.149
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.6(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         4205
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0698
_refine_ls_R_factor_gt           0.0500
_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^)+(0.0321P)^2^+0.3505P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0901
_refine_ls_wR_factor_ref         0.0960
_reflns_number_gt                3448
_reflns_number_total             4205
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b613669a.txt
_cod_data_source_block           compound2a
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7052091