Neighboring Group Participation of Phosphine Oxide Functionality in the Highly Regio- and Stereoselective Iodohydroxylation of 1,2-Allenylic Diphenyl Phosphine Oxides
Hao Guo; Rong Qian; Yinlong Guo; Shengming Ma; Journal of Organic Chemistry 73 (2008) 7934–7938; doi:10.1021/jo8013462

data_4023730
_publ_section_title
;
 Neighboring Group Participation of Phosphine Oxide Functionality
 in the Highly Regio- and Stereoselective Iodohydroxylation
 of 1,2-Allenylic Diphenyl Phosphine Oxides
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7934
_journal_page_last               7938
_journal_paper_doi               10.1021/jo8013462
_journal_volume                  73
_journal_year                    2008
_chemical_absolute_configuration ad
_chemical_formula_sum            'C21 H17 I2 O P'
_chemical_formula_weight         570.12
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.0535(16)
_cell_length_b                   9.9527(8)
_cell_length_c                   10.6887(9)
_cell_measurement_reflns_used    3302
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      44.531
_cell_measurement_theta_min      4.617
_cell_volume                     2026.9(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0773
_diffrn_reflns_av_sigmaI/netI    0.0636
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            11532
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    3.188
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8078
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.868
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.172
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.151
_refine_diff_density_max         1.110
_refine_diff_density_min         -0.928
_refine_diff_density_rms         0.122
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         3942
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0462
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0519P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1097
_reflns_number_gt                3347
_reflns_number_total             3942
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8013462_si_002.cif
_cod_data_source_block           cd26494
_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 
;
_cod_database_code               4023730