Synthesis of Highly Stereodefined Tetrasubstituted Acyclic All-Carbon Olefins via a Syn-Elimination Approach.
Lim, Ngiap-Kie; Weiss, Patrick; Li, Beryl X.; McCulley, Christina H.; Hare, Stephanie R.; Bensema, Bronwyn L.; Palazzo, Teresa A.; Tantillo, Dean J.; Zhang, Haiming; Gosselin, Francis; Organic letters 19 (2017) 6212–6215; doi:10.1021/acs.orglett.7b03141

data_1547925
_publ_section_title
;
 Synthesis of Highly Stereodefined Tetrasubstituted Acyclic All-Carbon
 Olefins via a Syn-Elimination Approach.
;
_journal_issue                   22
_journal_name_full               'Organic letters'
_journal_page_first              6212
_journal_page_last               6215
_journal_paper_doi               10.1021/acs.orglett.7b03141
_journal_volume                  19
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_sum            'C21 H21 N O'
_chemical_formula_weight         303.39
_chemical_name_common            60473-70
_chemical_name_systematic        gene596
_space_group.centring_type       P
_space_group_crystal_system      triclinic
_space_group_IT_number           1
_space_group_name_Hall           'P 1'
_space_group_name_H-M_alt        'P 1'
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                88.193(9)
_cell_angle_beta                 85.251(6)
_cell_angle_gamma                82.371(5)
_cell_formula_units_Z            4
_cell_length_a                   6.1157(5)
_cell_length_b                   7.6877(7)
_cell_length_c                   35.725(3)
_cell_measurement_reflns_used    9962
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.94
_cell_measurement_theta_min      2.29
_cell_volume                     1658.7(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  SHELXL-2014
_computing_structure_solution    SHELXT-2014
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.366
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1112
_diffrn_reflns_av_unetI/netI     0.1721
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.950
_diffrn_refln_scan_rate          30
_diffrn_refln_scan_width         2.0
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            35753
_diffrn_reflns_point_group_measured_fraction_full 0.974
_diffrn_reflns_point_group_measured_fraction_max 0.918
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.521
_diffrn_reflns_theta_min         1.144
_diffrn_source                   'microfocus sealed tube'
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.928
_exptl_absorpt_correction_T_min  0.547
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_description       plate
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.050
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.030
_refine_diff_density_max         1.128
_refine_diff_density_min         -0.994
_refine_diff_density_rms         0.133
_refine_ls_abs_structure_details
; 
 Flack x determined using 1888 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   -4.4(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     378
_refine_ls_number_reflns         10656
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.2116
_refine_ls_R_factor_gt           0.1609
_refine_ls_shift/su_max          0.178
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1517P)^2^+16.9841P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3742
_refine_ls_wR_factor_ref         0.4076
_reflns_Friedel_coverage         0.932
_reflns_Friedel_fraction_full    0.952
_reflns_Friedel_fraction_max     0.886
_reflns_number_gt                6813
_reflns_number_total             10656
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b03141_si_013.cif
_cod_data_source_block           60473-70
_cod_depositor_comments
;
The following automatic conversions were performed:

'_space_group.centring_type' value 'primitive' was replaced with the
value 'P' as specified in the replacement file
'/home/antanas/src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5642 2017-10-24 12:04:52Z antanas 

 Adding full bibliography for 1547906--1547941.cif.
;
_cod_original_cell_volume        1658.7(3)
_cod_database_code               1547925
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.996
_shelx_estimated_absorpt_t_max   0.998
_shelx_res_checksum              53210
_shelx_hkl_checksum              70828