Total Synthesis of Diverse Carbogenic Complexity within the Resveratrol Class from a Common Building Block
Scott A. Snyder; Steven P. Breazzano; Audrey G. Ross; Yunqing Lin; Alexandros L. Zografos; Journal of the American Chemical Society 131 (2009) 1753–1765; doi:10.1021/ja806183r

data_4103858
_publ_section_title
;
 Total Synthesis of Diverse Carbogenic Complexity within the Resveratrol
 Class from a Common Building Block
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1753
_journal_page_last               1765
_journal_paper_doi               10.1021/ja806183r
_journal_volume                  131
_journal_year                    2009
_chemical_absolute_configuration unk
_chemical_formula_sum            'C26 H26 O6'
_chemical_formula_weight         434.47
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 106.4710(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   12.4139(4)
_cell_length_b                   5.3288(2)
_cell_length_c                   17.1999(6)
_cell_measurement_reflns_used    9943
_cell_measurement_temperature    125(2)
_cell_measurement_theta_max      32.31
_cell_measurement_theta_min      2.38
_cell_volume                     1091.10(7)
_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      125(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_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  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0349
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            19005
_diffrn_reflns_theta_full        32.39
_diffrn_reflns_theta_max         32.39
_diffrn_reflns_theta_min         1.23
_exptl_absorpt_coefficient_mu    0.094
_exptl_absorpt_correction_T_max  0.9907
_exptl_absorpt_correction_T_min  0.9725
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.322
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             460
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.349
_refine_diff_density_min         -0.204
_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   0.0(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         7480
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0688P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1042
_refine_ls_wR_factor_ref         0.1099
_reflns_number_gt                6481
_reflns_number_total             7480
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja806183r_si_008.cif
_cod_data_source_block           sbs10
_cod_database_code               4103858