Stereoselective synthesis of F-ring saturated estrone-derived inhibitors of Hedgehog signaling based on cyclopamine.
Zhang, Zhihui; Baubet, Valérie; Ventocilla, Christian; Xiang, Chaomei; Dahmane, Nadia; Winkler, Jeffrey D.; Organic letters 13 (2011) 4786–4789; doi:10.1021/ol2017966

data_1502400
_publ_section_title
;
 Stereoselective synthesis of F-ring saturated estrone-derived inhibitors
 of Hedgehog signaling based on cyclopamine.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4786
_journal_page_last               4789
_journal_paper_doi               10.1021/ol2017966
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C38 H42 Br N O3'
_chemical_formula_weight         640.64
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.3890(5)
_cell_length_b                   15.1811(7)
_cell_length_c                   44.0140(19)
_cell_measurement_temperature    143(1)
_cell_volume                     6273.6(5)
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Bruker APEXII'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0572
_diffrn_reflns_av_sigmaI/netI    0.0462
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       51
_diffrn_reflns_limit_l_min       -52
_diffrn_reflns_number            83003
_diffrn_reflns_theta_full        25.15
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    1.349
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6494
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2007)'
_exptl_crystal_density_diffrn    1.357
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2688
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.516
_refine_diff_density_min         -0.596
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.021(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     778
_refine_ls_number_reflns         11206
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0580
_refine_ls_R_factor_gt           0.0410
_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^)+(0.0257P)^2^+3.7862P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0817
_refine_ls_wR_factor_ref         0.0874
_reflns_number_gt                9130
_reflns_number_total             11206
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol2017966_si_001.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               1502400