Enantioselective Synthesis of (+)-Majusculone
Douglass F. Taber; M. Inthikhab Sikkander; Pierre H. Storck; Journal of Organic Chemistry 72 (2007) 4098–4101; doi:10.1021/jo070257g

data_4022924
_publ_section_title
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 Enantioselective Synthesis of (+)-Majusculone
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4098
_journal_page_last               4101
_journal_paper_doi               10.1021/jo070257g
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C27 H33 Br O2'
_chemical_formula_weight         469.44
_space_group_IT_number           76
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4w'
_symmetry_space_group_name_H-M   'P 41'
_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                   13.4226(9)
_cell_length_b                   13.4226(9)
_cell_length_c                   13.1399(18)
_cell_measurement_reflns_used    1010
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      17.86
_cell_measurement_theta_min      2.17
_cell_volume                     2367.4(4)
_computing_cell_refinement       'SHELXTL, Sheldrick (2001)'
_computing_data_collection       'SMART, Bruker (2002)'
_computing_data_reduction        'SHELXTL, Sheldrick (2001)'
_computing_molecular_graphics    'SHELXTL, Sheldrick (2001)'
_computing_publication_material  'SHELXTL, Sheldrick (2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.922
_diffrn_measurement_device_type  'Bruker AXS APEX diffractometer'
_diffrn_measurement_method       \w
_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  0.0698
_diffrn_reflns_av_sigmaI/netI    0.1052
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13046
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         2.15
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    1.757
_exptl_absorpt_correction_T_max  0.8869
_exptl_absorpt_correction_T_min  0.7428
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Sheldrick (2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.580
_refine_diff_density_min         -0.542
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.010(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         5044
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.1130
_refine_ls_R_factor_gt           0.0601
_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^)+(0.0481P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1133
_refine_ls_wR_factor_ref         0.1306
_reflns_number_gt                3099
_reflns_number_total             5044
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo070257gsi20070206_032727.cif
_cod_data_source_block           dout007
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
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_cod_database_code               4022924