Synthesis and characterization of bisoxazolines- and pybox-copper(ii) complexes and their application in the coupling of α-carbonyls with functionalized amines.
Jia, Wei-Guo; Li, Dan-Dan; Dai, Yuan-Chen; Zhang, Hui; Yan, Li-Qin; Sheng, En-Hong; Wei, Yun; Mu, Xiao-Long; Huang, Kuo-Wei; Organic & biomolecular chemistry 12 (2014) 5509–5516; doi:10.1039/c4ob01027b

data_7153865
_publ_section_title
;
 Synthesis and characterization of bisoxazolines- and pybox-copper(ii)
 complexes and their application in the coupling of \a-carbonyls with
 functionalized amines.
;
_journal_issue                   29
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5509
_journal_page_last               5516
_journal_paper_doi               10.1039/c4ob01027b
_journal_volume                  12
_journal_year                    2014
_chemical_formula_sum            'C20 H32 Cl4 Cu2 N4 O4'
_chemical_formula_weight         661.38
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                   11.6403(9)
_cell_length_b                   14.5767(11)
_cell_length_c                   16.4463(12)
_cell_measurement_reflns_used    9964
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.70
_cell_measurement_theta_min      2.48
_cell_volume                     2790.6(4)
_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 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0299
_diffrn_reflns_av_sigmaI/netI    0.0176
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            22830
_diffrn_reflns_theta_full        27.69
_diffrn_reflns_theta_max         27.69
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    1.939
_exptl_absorpt_correction_T_max  0.8006
_exptl_absorpt_correction_T_min  0.7340
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.574
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1352
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.301
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         3261
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0354
_refine_ls_R_factor_gt           0.0264
_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^)+(0.0348P)^2^+1.1856P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0676
_refine_ls_wR_factor_ref         0.0722
_reflns_number_gt                2676
_reflns_number_total             3261
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ob01027b2.cif
_cod_data_source_block           121212b_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 7153865--7153868.cif.
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7153865