Regio- and Stereoselective Carboindation of Internal Alkynyl Ethers with Organosilicon or -stannane Nucleophiles.
Kang, Kyoungmin; Nishimoto, Yoshihiro; Yasuda, Makoto; The Journal of organic chemistry 84 (2019) 13345–13363; doi:10.1021/acs.joc.9b01505

data_4034530
_publ_section_title
;
 Regio- and Stereoselective Carboindation of Internal Alkynyl Ethers with
 Organosilicon or -stannane Nucleophiles.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              13345
_journal_page_last               13363
_journal_paper_doi               10.1021/acs.joc.9b01505
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C24 H20 O'
_chemical_formula_sum            'C24 H20 O'
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_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0347(6)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   7.51047(5)
_cell_length_b                   20.79595(11)
_cell_length_c                   11.09437(6)
_cell_measurement_reflns_used    76431
_cell_measurement_temperature    123
_cell_measurement_theta_max      74.24
_cell_measurement_theta_min      4.23
_cell_volume                     1732.800(17)
_computing_cell_refinement       'CrysAlisPro 1.171.39.31d (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.31d (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.31d (Rigaku OD, 2017)'
_computing_molecular_graphics    'CrystalStructure 4.2.5'
_computing_publication_material  'CrystalStructure 4.2.5 (Rigaku, 2017)'
_computing_structure_refinement  'CRYSTALS (Carruthers, et al., 1999)'
_computing_structure_solution    'Il Milione (Burla, et al., 2007)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0605
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            132192
_diffrn_reflns_theta_full        74.36
_diffrn_reflns_theta_max         74.36
_diffrn_reflns_theta_min         4.252
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.572
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.561
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.31d (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            nONE
_exptl_crystal_density_diffrn    1.243
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       nONE
_exptl_crystal_F_000             688.00
_refine_diff_density_max         0.534
_refine_diff_density_min         -0.537
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.802
_refine_ls_hydrogen_treatment    constr
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_refine_ls_R_factor_gt           0.0635
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details     'w = 1/[0.0393Fo^2^ + 1.0000\s(Fo^2^)]'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1574
_reflns_number_gt                3373
_reflns_number_total             3533
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