Modular Two-Step Approach for the Stereodivergent Synthesis of 1,3-Diamines with Three Continuous Stereocenters.
Halli, Juliette; Bolte, Michael; Bats, Jan; Manolikakes, Georg; Organic letters 19 (2017) 674–677; doi:10.1021/acs.orglett.6b03841

data_1556016
_publ_section_title
;
 Modular Two-Step Approach for the Stereodivergent Synthesis of
 1,3-Diamines with Three Continuous Stereocenters.
;
_journal_issue                   3
_journal_name_full               'Organic letters'
_journal_page_first              674
_journal_page_last               677
_journal_paper_doi               10.1021/acs.orglett.6b03841
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         'C29 H28 N2 O3'
_chemical_formula_sum            'C29 H28 N2 O3'
_chemical_formula_weight         452.53
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 90.78(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   22.490(7)
_cell_length_b                   5.1816(10)
_cell_length_c                   20.190(7)
_cell_measurement_reflns_used    4530
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      20.6
_cell_measurement_theta_min      2.1
_cell_volume                     2352.6(12)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_molecular_graphics    'XP in SHELXTL-Plus (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'STOE IPDS II two-circle-diffractometer'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1754
_diffrn_reflns_av_unetI/netI     0.2074
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.969
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            11469
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.967
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.018
_diffrn_reflns_theta_min         2.061
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.886
_exptl_absorpt_correction_T_min  0.852
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'X-Area (Stoe & Cie, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_description       needle
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.030
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.100
_refine_ls_abs_structure_details
; 
 Flack x determined using 344 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   6.6(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.911
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     309
_refine_ls_number_reflns         4036
_refine_ls_number_restraints     451
_refine_ls_restrained_S_all      0.909
_refine_ls_R_factor_all          0.2285
_refine_ls_R_factor_gt           0.1175
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1584P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2733
_refine_ls_wR_factor_ref         0.3480
_reflns_Friedel_coverage         0.782
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.965
_reflns_number_gt                1311
_reflns_number_total             4036
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            11b.cif
_cod_data_source_block           ma8
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               1556016
_shelx_estimated_absorpt_t_min   0.990
_shelx_estimated_absorpt_t_max   0.998
_shelxl_version_number           2014/6
_shelx_res_checksum              745
_shelx_hkl_checksum              75073