Dramatic Effects of Ionic Liquids on the Palladium-Catalyzed Cyclocarbonylation of Enynols with Thiols
Hong Cao; Wen-Jing Xiao; Howard Alper; Journal of Organic Chemistry 72 (2007) 8562–8564; doi:10.1021/jo701675e

data_4023071
_publ_section_title
;
 Dramatic Effects of Ionic Liquids on the Palladium-Catalyzed
 Cyclocarbonylation of Enynols with Thiols
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8562
_journal_page_last               8564
_journal_paper_doi               10.1021/jo701675e
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C22 H18 O2 S'
_chemical_formula_weight         346.42
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.7476(16)
_cell_length_b                   10.267(3)
_cell_length_c                   29.264(8)
_cell_measurement_reflns_used    980
_cell_measurement_temperature    203(2)
_cell_measurement_theta_max      24.59
_cell_measurement_theta_min      2.42
_cell_volume                     1726.8(8)
_computing_cell_refinement       'SMART, Bruker (2000)'
_computing_data_collection       'SMART, Bruker (2000)'
_computing_data_reduction        'XPREP, Bruker (2000)'
_computing_molecular_graphics    'SHELXTL, Bruker (2000)'
_computing_publication_material  'SHELXTL, Bruker (2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0482
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_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
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_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            12580
_diffrn_reflns_theta_full        24.77
_diffrn_reflns_theta_max         24.77
_diffrn_reflns_theta_min         1.39
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    0.199
_exptl_absorpt_correction_T_max  0.9612
_exptl_absorpt_correction_T_min  0.9612
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2000)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.376
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.45(12)
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         2891
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0592
_refine_ls_R_factor_gt           0.0440
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0727P)^2^+0.2313P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1090
_refine_ls_wR_factor_ref         0.1177
_reflns_number_gt                2393
_reflns_number_total             2891
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo701675e-File001.cif
_cod_data_source_block           ha21
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4023071