Copper- and Silver-Catalyzed Diastereo- and Enantioselective Conjugate Addition Reaction of 1-Pyrroline Esters to Nitroalkenes: Diastereoselectivity Switch by Chiral Metal Complexes.
Koizumi, Akihiro; Kimura, Midori; Arai, Yuri; Tokoro, Yuichiro; Fukuzawa, Shin-ichi; The Journal of organic chemistry 80 (2015) 10883–10891; doi:10.1021/acs.joc.5b02024

data_4036449
_publ_section_title
;
 Copper- and Silver-Catalyzed Diastereo- and Enantioselective Conjugate
 Addition Reaction of 1-Pyrroline Esters to Nitroalkenes:
 Diastereoselectivity Switch by Chiral Metal Complexes.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10883
_journal_page_last               10891
_journal_paper_doi               10.1021/acs.joc.5b02024
_journal_volume                  80
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_sum            'C24 H24 Fe N2 O4'
_chemical_formula_weight         460.30
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014
_cell_angle_alpha                90
_cell_angle_beta                 93.715(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.0574(10)
_cell_length_b                   7.8021(13)
_cell_length_c                   21.834(4)
_cell_measurement_reflns_used    4093
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      31.1603
_cell_measurement_theta_min      2.7731
_cell_volume                     1029.7(3)
_computing_cell_refinement       'RIGAKU CrystalClear'
_computing_data_collection       'RIGAKU CrystalClear'
_computing_data_reduction        'RIGAKU CrystalClear'
_computing_molecular_graphics    'Yadokari-XG 2009(Wakita Nemoto et al.)'
_computing_publication_material  'Yadokari-XG 2009(Wakita,Nemoto et al.)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    SIR-2004
_diffrn_ambient_temperature      93(2)
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_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku VariMax Saturn'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_source         'rotating-anode X-ray tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0336
_diffrn_reflns_av_unetI/netI     0.0675
_diffrn_reflns_Laue_measured_fraction_full 0.998
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_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
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_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       26
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_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.994
_diffrn_reflns_theta_min         3.212
_exptl_absorpt_coefficient_mu    0.767
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_exptl_absorpt_correction_T_min  0.8693
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.485
_exptl_crystal_description       Prism
_exptl_crystal_F_000             480
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.261
_refine_diff_density_min         -0.457
_refine_diff_density_rms         0.086
_refine_ls_abs_structure_details
;
 Flack x determined using 1321 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.004(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         3924
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.0346
_refine_ls_R_factor_gt           0.0300
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0298P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0712
_refine_ls_wR_factor_ref         0.0723
_reflns_Friedel_coverage         0.797
_reflns_Friedel_fraction_full    0.935
_reflns_Friedel_fraction_max     0.929
_reflns_number_gt                3328
_reflns_number_total             3924
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo5b02024_si_003.cif
_cod_data_source_block           ydkr
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4036449
_shelx_estimated_absorpt_t_min   0.862
_shelx_estimated_absorpt_t_max   0.948
_shelxl_version_number           2014-3
_shelx_res_checksum              66034
_shelx_hkl_checksum              38714