Rhodium(I)-Catalyzed [2 + 2 + 2] Cycloadditions of Ynamides in the Synthesis of Amide-Substituted Chiral Biaryls
Michael R. Tracey; Jossian Oppenheimer; Richard P. Hsung; Journal of Organic Chemistry 71 (2006) 8629–8632; doi:10.1021/jo061683p

data_4022063
_publ_section_title
;
 Rhodium(I)-Catalyzed [2 + 2 + 2] Cycloadditions of Ynamides
 in the Synthesis of Amide-Substituted Chiral Biaryls
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8629
_journal_page_last               8632
_journal_paper_doi               10.1021/jo061683p
_journal_volume                  71
_journal_year                    2006
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C31 H30 N2 O2, C H2 Cl2'
_chemical_formula_sum            'C32 H32 Cl2 N2 O2'
_chemical_formula_weight         547.50
_chemical_name_common            06095
_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                 97.719(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.2606(8)
_cell_length_b                   10.2738(10)
_cell_length_c                   16.7210(16)
_cell_measurement_reflns_used    3640
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.47
_cell_measurement_theta_min      2.33
_cell_volume                     1406.2(2)
_computing_cell_refinement       'SAINT, Bruker'
_computing_data_collection       'SMART, Bruker'
_computing_data_reduction        'SAINT, Bruker'
_computing_molecular_graphics    'SHELXTL, Bruker'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART Platform CCD'
_diffrn_measurement_method       'area detector, omega scans per phi'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0571
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            11496
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.23
_exptl_absorpt_coefficient_mu    0.263
_exptl_absorpt_correction_T_max  0.9616
_exptl_absorpt_correction_T_min  0.9253
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing, 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.293
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.195
_refine_diff_density_min         -0.270
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         4931
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0484
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0778P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1179
_refine_ls_wR_factor_ref         0.1326
_reflns_number_gt                4091
_reflns_number_total             4931
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo061683psi20060813_115235.cif
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4022063