Syntheses, Structures, and Thermolyses of Pentacoordinate 1,2-Oxastibetanes: Potential Intermediates in the Reactions of Stibonium Ylides with Carbonyl Compounds
Yosuke Uchiyama; Naokazu Kano; Takayuki Kawashima; Journal of Organic Chemistry 71 (2006) 659–670; doi:10.1021/jo0520700

data_4021410
_publ_contact_author_address
;
Department of Chemistry, Graduate School of Science,
The University of Tokyo,
7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
;
_publ_contact_author_email       takayuki@chem.s.u-tokyo.ac.jp
_publ_contact_author_fax         +81-5800-6899
_publ_contact_author_name        'Takayuki Kawashima'
_publ_contact_author_phone       +81-5800-6899
_publ_section_title
;
 Syntheses, Structures, and Thermolyses of Pentacoordinate
 1,2-Oxastibetanes: Potential Intermediates in the
 Reactions of Stibonium Ylides with Carbonyl Compounds
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              659
_journal_page_last               670
_journal_paper_doi               10.1021/jo0520700
_journal_volume                  71
_journal_year                    2006
_chemical_formula_moiety         'C19 H11 F12 O2 P'
_chemical_formula_sum            'C19 H11 F12 O2 P'
_chemical_formula_weight         530.25
_chemical_melting_point          72(3)
_chemical_name_common            1,2-oxaphosphetane
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                74.127(18)
_cell_angle_beta                 82.513(16)
_cell_angle_gamma                87.621(19)
_cell_formula_units_Z            8
_cell_length_a                   13.246(8)
_cell_length_b                   14.373(8)
_cell_length_c                   22.504(10)
_cell_measurement_reflns_used    10982
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.0402
_cell_volume                     4086(4)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2000)'
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1997-2005)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 14.6199
_diffrn_measured_fraction_theta_full 93.5
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_details
;
scan:
    Number of images: 600
               Slice: -70.0000 - 110.0000
         Image width: 0.3000
            Exp time: 17.0000
       Rotation axis: Omega
               Omega: 0.0000
                 Chi: 45.0000
                 Phi: 0.0000
                 XTD: 44.8423
              2theta: 19.8398
scan:
    Number of images: 600
               Slice: -70.0000 - 110.0000
         Image width: 0.3000
            Exp time: 17.0000
       Rotation axis: Omega
               Omega: 0.0000
                 Chi: 45.0000
                 Phi: 90.0000
                 XTD: 44.8423
              2theta: 19.8398

;
_diffrn_measurement_device
;
Mercury CCD (2x2 bin mode)
;
_diffrn_measurement_device_details
;
AFC8: Eulerian 3-circle
;
_diffrn_measurement_method       dtintegrate.ref
_diffrn_radiation_detector       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_sigmaI/netI    0.0368
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            31391
_diffrn_reflns_reduction_process 'Lp corrections applied'
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_diffrn_source_current           40.0000
_diffrn_source_power             2.0000
_diffrn_source_voltage           50.0000
_exptl_absorpt_coefficient_mu    0.258
_exptl_absorpt_correction_T_max  0.9383
_exptl_absorpt_correction_T_min  0.8605
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
Jacobson, R. (1998) Private communication 
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.724
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2112
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.792
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1225
_refine_ls_number_reflns         17528
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0642
_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^)+(0.0491P)^2^+6.9302P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1377
_refine_ls_wR_factor_ref         0.1489
_reflns_number_gt                13961
_reflns_number_total             17528
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0520700si20051003_110901.cif
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '70-75' was changed to '72(3)' - the
average value was taken and precision was estimated.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4021410