Rhodium-Catalyzed Cascade Oxidative Annulation Leading to Substituted Naphtho[1,8-bc]pyrans by Sequential Cleavage of C(sp2)-H/C(sp3)-H and C(sp2)-H/O-H Bonds
Xing Tan; Bingxian Liu; Xiangyu Li; Bin Li; Shansheng Xu; Haibin Song; Baiquan Wang; Journal of the American Chemical Society 134 (2012) 16163–16166; doi:10.1021/ja3075242

data_4118716
_publ_section_title
;
 Rhodium-Catalyzed Cascade Oxidative Annulation Leading to Substituted
 Naphtho[1,8-bc]pyrans by Sequential Cleavage of C(sp2)-H/C(sp3)-H and
 C(sp2)-H/O-H Bonds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              16163
_journal_page_last               16166
_journal_paper_doi               10.1021/ja3075242
_journal_volume                  134
_journal_year                    2012
_chemical_formula_sum            'C38 H25 N O'
_chemical_formula_weight         511.59
_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                69.758(10)
_cell_angle_beta                 89.373(17)
_cell_angle_gamma                75.645(15)
_cell_formula_units_Z            4
_cell_length_a                   11.351(4)
_cell_length_b                   13.592(3)
_cell_length_c                   19.515(6)
_cell_measurement_reflns_used    8955
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.6
_cell_volume                     2727.4(14)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'CrystalStructure 3.8'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 14.22
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Rigaku Saturn724 CCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  multilayer
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0450
_diffrn_reflns_av_sigmaI/netI    0.0795
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28803
_diffrn_reflns_theta_full        27.85
_diffrn_reflns_theta_max         27.85
_diffrn_reflns_theta_min         1.63
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9883
_exptl_absorpt_correction_T_min  0.9853
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   CrystalClear
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_description       Prism
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.284
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     718
_refine_ls_number_reflns         12766
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0860
_refine_ls_R_factor_gt           0.0562
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0286P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0974
_refine_ls_wR_factor_ref         0.1074
_reflns_number_gt                8859
_reflns_number_total             12766
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja3075242_si_002_2.cif
_cod_data_source_block           3ka-1
_cod_database_code               4118716