Formal Total Synthesis of (\±)-Estrone via the Furano Diene Approach
Ya-Ping Xue; Wei-Dong Z. Li; Journal of Organic Chemistry 76 (2011) 57–64; doi:10.1021/jo1015486

data_4025929
_publ_section_title
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 Formal Total Synthesis of (\+-)-Estrone via the Furano Diene Approach
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_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              57
_journal_page_last               64
_journal_paper_doi               10.1021/jo1015486
_journal_volume                  76
_journal_year                    2011
_chemical_formula_sum            'C17 H22 O3'
_chemical_formula_weight         274.35
_space_group_IT_number           2
_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                101.285(3)
_cell_angle_beta                 96.906(3)
_cell_angle_gamma                92.077(3)
_cell_formula_units_Z            2
_cell_length_a                   5.4774(11)
_cell_length_b                   9.2965(18)
_cell_length_c                   13.809(3)
_cell_measurement_reflns_used    2056
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      26.32
_cell_measurement_theta_min      2.95
_cell_volume                     683.3(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      294(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_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  0.0129
_diffrn_reflns_av_sigmaI/netI    0.0236
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            3880
_diffrn_reflns_theta_full        26.41
_diffrn_reflns_theta_max         26.41
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9840
_exptl_absorpt_correction_T_min  0.9770
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_meas      ?
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.503
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2753
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0615
_refine_ls_R_factor_gt           0.0499
_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^)+(0.0731P)^2^+0.2551P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1305
_refine_ls_wR_factor_ref         0.1413
_reflns_number_gt                2231
_reflns_number_total             2753
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1015486_si_002.cif
_cod_data_source_block           051129b
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4025929