Sn-free Ni-catalyzed reductive coupling of glycosyl bromides with activated alkenes.
Gong, Hegui; Andrews, R. Stephen; Zuccarello, Joseph L.; Lee, Stephen J.; Gagné, Michel R; Organic letters 11 (2009) 879–882; doi:10.1021/ol8028737

data_1503786
_publ_section_title
;
 Sn-free Ni-catalyzed reductive coupling of glycosyl bromides with
 activated alkenes.
;
_journal_issue                   4
_journal_name_full               'Organic letters'
_journal_page_first              879
_journal_page_last               882
_journal_paper_doi               10.1021/ol8028737
_journal_volume                  11
_journal_year                    2009
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C39 H36 O11'
_chemical_formula_sum            'C39 H36 O11'
_chemical_formula_weight         680.68
_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            12
_cell_length_a                   17.0749(5)
_cell_length_b                   24.0641(6)
_cell_length_c                   24.8996(6)
_cell_measurement_reflns_used    5578
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      21.08
_cell_measurement_theta_min      2.67
_cell_volume                     10231.0(5)
_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      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0964
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_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -27
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            89605
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.9952
_exptl_absorpt_correction_T_min  0.9714
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker-AXS APEX2 SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             4296
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.587
_refine_diff_density_min         -0.273
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.2(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1368
_refine_ls_number_reflns         18000
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1268
_refine_ls_R_factor_gt           0.0661
_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^)+(0.1042P)^2^+2.0590P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1615
_refine_ls_wR_factor_ref         0.2006
_reflns_number_gt                10699
_reflns_number_total             18000
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol8028737_si_002.cif
_cod_data_source_block           c08399
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_database_code               1503786