Stereoselective Access to Highly Substituted Vinyl Ethers via <i>trans</i>-Difunctionalization of Alkynes with Alcohols and Iodine(III) Electrophile.
Ding, Wei; Chai, Jinkui; Wang, Chen; Wu, Junliang; Yoshikai, Naohiko; Journal of the American Chemical Society 142 (2020) 8619–8624; doi:10.1021/jacs.0c04140

data_4134903
_publ_section_title
;
 Stereoselective Access to Highly Substituted Vinyl Ethers via
 <i>trans</i>-Difunctionalization of Alkynes with Alcohols and Iodine(III)
 Electrophile.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8619
_journal_page_last               8624
_journal_paper_doi               10.1021/jacs.0c04140
_journal_volume                  142
_journal_year                    2020
_chemical_formula_sum            'C19 H15 F6 I O2'
_chemical_formula_weight         516.21
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                90
_cell_angle_beta                 105.1779(9)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.0950(4)
_cell_length_b                   12.5082(3)
_cell_length_c                   20.9361(5)
_cell_measurement_reflns_used    9714
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      34.9453
_cell_measurement_theta_min      2.5219
_cell_volume                     3815.08(16)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2016)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2016)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2016)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/5'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Photon II CPADs detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Multilayer Mirror'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_R_equivalents  0.0587
_diffrn_reflns_av_unetI/netI     0.0522
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            87952
_diffrn_reflns_theta_full        35.00
_diffrn_reflns_theta_max         35.00
_diffrn_reflns_theta_min         2.52
_diffrn_source                   'Incoatec microfocus source'
_diffrn_source_type              'Bruker D8 Quest'
_exptl_absorpt_coefficient_mu    1.747
_exptl_absorpt_correction_T_max  0.72
_exptl_absorpt_correction_T_min  0.59
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.797
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.220
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_refine_diff_density_max         1.022
_refine_diff_density_min         -1.370
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.136
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     509
_refine_ls_number_reflns         16729
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.136
_refine_ls_R_factor_all          0.0632
_refine_ls_R_factor_gt           0.0431
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+5.3528P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0606
_refine_ls_wR_factor_ref         0.0657
_reflns_number_gt                13514
_reflns_number_total             16729
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c04140_si_002.cif
_cod_data_source_block           yoshi57m
_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/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/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 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 4134900--4134903.cif.
;
_cod_database_code               4134903
_shelx_res_checksum              85199
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