Re(I)-Catalyzed Hydropropargylation of Silyl Enol Ethers Utilizing Dynamic Interconversion of Vinylidene-Alkenylmetal Intermediates via 1,5-Hydride Transfer.
Iwasawa, Nobuharu; Watanabe, Shoya; Ario, Akane; Sogo, Hideyuki; Journal of the American Chemical Society 140 (2018) 7769–7772; doi:10.1021/jacs.8b02903

data_4132324
_publ_section_title
;
 Re(I)-Catalyzed Hydropropargylation of Silyl Enol Ethers Utilizing
 Dynamic Interconversion of Vinylidene-Alkenylmetal Intermediates via
 1,5-Hydride Transfer.
;
_journal_issue                   25
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7769
_journal_page_last               7772
_journal_paper_doi               10.1021/jacs.8b02903
_journal_volume                  140
_journal_year                    2018
_chemical_formula_sum            'C23 H40 O3 Si'
_chemical_formula_weight         392.64
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1557(14)
_cell_length_b                   11.8598(19)
_cell_length_c                   21.294(3)
_cell_measurement_reflns_used    6484
_cell_measurement_temperature    123
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.3
_cell_volume                     2312.2(6)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)'
_computing_molecular_graphics    ORTEP-III
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku Saturn724+ (4x4 bin mode)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0502
_diffrn_reflns_av_unetI/netI     0.0440
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            28694
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.481
_diffrn_reflns_theta_min         3.345
_exptl_absorpt_coefficient_mu    0.121
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.945
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobsen, R. (1998) Private communication'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.128
_exptl_crystal_description       Prism
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.331
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details
;
 Flack x determined using 1688 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         5298
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0612
_refine_ls_R_factor_gt           0.0526
_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^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1453
_refine_ls_wR_factor_ref         0.1591
_reflns_Friedel_coverage         0.766
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                4620
_reflns_number_total             5298
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b02903_si_005.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_database_code               4132324
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.970
_shelx_estimated_absorpt_t_max   0.992
_shelx_res_checksum              33919
_shelx_hkl_checksum              16269