Desymmetrization of meso-dienyne by asymmetric Pauson-Khand type reaction catalysts.
Jeong, Nakcheol; Kim, Dong Hoon; Choi, Jun Hun; Chemical communications (Cambridge, England)  (2004) 1134–1135; doi:10.1039/b401288g

data_7102623
_publ_section_title
;
 Desymmetrization of meso-dienyne by asymmetric Pauson-Khand type
 reaction catalysts.
;
_journal_issue                   9
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1134
_journal_page_last               1135
_journal_paper_doi               10.1039/b401288g
_journal_year                    2004
_chemical_formula_sum            'C23 H35 N3 O3 S'
_chemical_formula_weight         433.60
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.16(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.130(2)
_cell_length_b                   7.964(2)
_cell_length_c                   13.859(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.2
_cell_measurement_theta_min      3.00
_cell_volume                     1179.9(4)
_computing_molecular_graphics    ORTEP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.528
_diffrn_measured_fraction_theta_max 0.528
_diffrn_measurement_device_type  'Enraf Nonius CAD4'
_diffrn_measurement_method       'omega-2 theta scan'
_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  0.0392
_diffrn_reflns_av_sigmaI/netI    0.0460
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            1318
_diffrn_reflns_theta_full        25.48
_diffrn_reflns_theta_max         25.48
_diffrn_reflns_theta_min         1.53
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  '2 hr'
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.165
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.220
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             468
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.127
_refine_diff_density_min         -0.153
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.128
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         1252
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.127
_refine_ls_R_factor_all          0.0524
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0346P)^2^+0.4285P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0995
_refine_ls_wR_factor_ref         0.1024
_reflns_number_gt                1172
_reflns_number_total             1252
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b401288g.txt
_cod_data_source_block           6a
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7102623