Asymmetric synthesis of cyclopropanes and dihydrofurans based on phosphine oxide chemistry.
Fox, David J.; Parris, Sean; Pedersen, Daniel Sejer; Tyzack, Charles R.; Warren, Stuart; Organic & biomolecular chemistry 4 (2006) 3108–3112; doi:10.1039/b606874j

data_7151263
_publ_section_title
;
 Asymmetric synthesis of cyclopropanes and dihydrofurans based on
 phosphine oxide chemistry.
;
_journal_issue                   16
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3108
_journal_page_last               3112
_journal_paper_doi               10.1039/b606874j
_journal_volume                  4
_journal_year                    2006
_chemical_absolute_configuration
;
Flack parameter -0.02(17).
;
_chemical_formula_moiety         'C29 H25 O3 P'
_chemical_formula_sum            'C29 H25 O3 P'
_chemical_formula_weight         452.46
_chemical_name_systematic
;
?
;
_space_group_IT_number           169
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 61'
_symmetry_space_group_name_H-M   'P 61'
_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                120.00
_cell_formula_units_Z            6
_cell_length_a                   11.1634(1)
_cell_length_b                   11.1634(1)
_cell_length_c                   33.8352(5)
_cell_measurement_reflns_used    30444
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      22.46
_cell_measurement_theta_min      1.02
_cell_volume                     3651.68(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius B.V. 1998)'
_computing_data_reduction
;
HKL Denzo and Scalepack (Otwinowski & Minor 1997)
;
_computing_publication_material  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al. 1994)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       'Thin slice \w and \f scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0456
_diffrn_reflns_av_sigmaI/netI    0.0318
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            16946
_diffrn_reflns_theta_full        22.47
_diffrn_reflns_theta_max         22.47
_diffrn_reflns_theta_min         4.07
_exptl_absorpt_coefficient_mu    0.141
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.940
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.234
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1428
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.159
_refine_diff_density_rms         0.038
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         3114
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0696
_refine_ls_R_factor_gt           0.0582
_refine_ls_shift/su_max          0.010
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0792P)^2^+1.9286P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1422
_refine_ls_wR_factor_ref         0.1514
_reflns_number_gt                2678
_reflns_number_total             3114
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b606874j.txt
_cod_data_source_block           sw0301
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
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      P6(1)
_cod_database_code               7151263