Total Synthesis of Sporolide B and 9-epi-Sporolide B
K. C. Nicolaou; Jianhua Wang; Yefeng Tang; Lorenzo Botta; Journal of the American Chemical Society 132 (2010) 11350–11363; doi:10.1021/ja1048994

data_4102836
_publ_section_title
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 Total Synthesis of Sporolide B and 9-epi-Sporolide B
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11350
_journal_page_last               11363
_journal_paper_doi               10.1021/ja1048994
_journal_volume                  132
_journal_year                    2010
_chemical_formula_sum            'C24 H24 O6'
_chemical_formula_weight         408.43
_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                80.73(3)
_cell_angle_beta                 83.40(3)
_cell_angle_gamma                81.91(3)
_cell_formula_units_Z            2
_cell_length_a                   8.8015(18)
_cell_length_b                   9.3256(19)
_cell_length_c                   12.532(3)
_cell_measurement_reflns_used    4481
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.00
_cell_measurement_theta_min      2.35
_cell_volume                     1000.6(4)
_computing_cell_refinement       'Bruker SAINT+'
_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, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.973
_diffrn_measured_fraction_theta_max 0.973
_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  0.0169
_diffrn_reflns_av_sigmaI/netI    0.0277
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9223
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         1.65
_diffrn_standards_decay_%        1
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.9827
_exptl_absorpt_correction_T_min  0.9687
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1999)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.356
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Parallelepiped
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.272
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         4712
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0701
_refine_ls_R_factor_gt           0.0575
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0800P)^2^+0.3000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1457
_refine_ls_wR_factor_ref         0.1554
_reflns_number_gt                3821
_reflns_number_total             4712
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja1048994_si_004.cif
_cod_data_source_block           jw1370
_cod_depositor_comments
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The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' 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               4102836