Synthesis of the Stenine Ring System from Pyrrole
Roderick W. Bates; S. Sridhar; Journal of Organic Chemistry 76 (2011) 5026–5035; doi:10.1021/jo200699k

data_4026392
_publ_section_title
;
 Synthesis of the Stenine Ring System from Pyrrole
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5026
_journal_page_last               5035
_journal_paper_doi               10.1021/jo200699k
_journal_volume                  76
_journal_year                    2011
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C22 H31 Br F3 N O2 Si'
_chemical_formula_sum            'C22 H31 Br F3 N O2 Si'
_chemical_formula_weight         506.48
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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
_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                   9.8714(5)
_cell_length_b                   10.7521(5)
_cell_length_c                   22.9002(11)
_cell_measurement_reflns_used    8899
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.01
_cell_measurement_theta_min      2.25
_cell_volume                     2430.6(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      173(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0442
_diffrn_reflns_av_sigmaI/netI    0.0476
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            50714
_diffrn_reflns_theta_full        31.16
_diffrn_reflns_theta_max         31.16
_diffrn_reflns_theta_min         1.78
_exptl_absorpt_coefficient_mu    1.781
_exptl_absorpt_correction_T_max  0.7399
_exptl_absorpt_correction_T_min  0.5996
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_description       block
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.607
_refine_diff_density_min         -1.045
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.028(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     304
_refine_ls_number_reflns         7756
_refine_ls_number_restraints     90
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0719
_refine_ls_R_factor_gt           0.0456
_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^)+(0.0872P)^2^+0.0362P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1236
_refine_ls_wR_factor_ref         0.1444
_reflns_number_gt                5575
_reflns_number_total             7756
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo200699k_si_002.cif
_cod_data_source_block           rb40
_cod_database_code               4026392