Total Synthesis of (\±)-Rocaglamide via Oxidation-Initiated Nazarov Cyclization
John A. Malona; Kevin Cariou; William T. Spencer; Alison J. Frontier; Journal of Organic Chemistry 77 (2012) 1891–1908; doi:10.1021/jo202366c

data_4026968
_publ_section_title
;
 Total Synthesis of (\+-)-Rocaglamide via Oxidation-Initiated Nazarov
 Cyclization
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1891
_journal_page_last               1908
_journal_paper_doi               10.1021/jo202366c
_journal_volume                  77
_journal_year                    2012
_chemical_formula_moiety         'C30 H30 O8'
_chemical_formula_sum            'C30 H30 O8'
_chemical_formula_weight         518.54
_chemical_name_common            frojm08
_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                76.497(1)
_cell_angle_beta                 85.255(1)
_cell_angle_gamma                66.263(1)
_cell_formula_units_Z            2
_cell_length_a                   9.8878(6)
_cell_length_b                   11.5836(7)
_cell_length_c                   12.5674(8)
_cell_measurement_reflns_used    9891
_cell_measurement_temperature    100.0(1)
_cell_measurement_theta_max      38.04
_cell_measurement_theta_min      2.25
_cell_volume                     1281.13(14)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'SHELXL-97 (Sheldrick, 2008)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(1)
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.0375
_diffrn_reflns_av_sigmaI/netI    0.0473
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            28775
_diffrn_reflns_theta_full        35.63
_diffrn_reflns_theta_max         35.63
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.9865
_exptl_absorpt_correction_T_min  0.9695
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2007)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.344
_exptl_crystal_description       block
_exptl_crystal_F_000             548
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.829
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    refxyz
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         11628
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0745
_refine_ls_R_factor_gt           0.0519
_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^)+(0.0897P)^2^+0.0022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1343
_refine_ls_wR_factor_ref         0.1516
_reflns_number_gt                8388
_reflns_number_total             11628
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202366c_si_003.cif
_cod_data_source_block           frojm08
_cod_database_code               4026968