Photoinduced Reactions of para-Quinones with Bicyclopropylidene Leading to Diverse Polycyclic Compounds with Spirocyclopropanes
Wei Wang; Wen-Jie Zhang; Lei Wang; Ching Kheng Quah; Hoong-Kun Fun; Jian-Hua Xu; Yan Zhang; Journal of Organic Chemistry 78 (2013) 6211–6222; doi:10.1021/jo4008767

data_4028371
_publ_section_title
;
 Photoinduced Reactions of para-Quinones with Bicyclopropylidene Leading
 to Diverse Polycyclic Compounds with Spirocyclopropanes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6211
_journal_page_last               6222
_journal_paper_doi               10.1021/jo4008767
_journal_volume                  78
_journal_year                    2013
_chemical_formula_moiety         'C16 H14 O2'
_chemical_formula_sum            'C16 H14 O2'
_chemical_formula_weight         238.27
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 124.220(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4703(4)
_cell_length_b                   20.2714(11)
_cell_length_c                   9.2951(4)
_cell_measurement_reflns_used    9899
_cell_measurement_temperature    100(1)
_cell_measurement_theta_max      30.19
_cell_measurement_theta_min      2.27
_cell_volume                     1163.91(11)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  'SHELXTL and PLATON (Spek, 2009)'
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type
;
Bruker SMART APEX II DUO CCD area-detector diffractometer 
;
_diffrn_measurement_method       '\f and \w 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  0.0276
_diffrn_reflns_av_sigmaI/netI    0.0271
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            16194
_diffrn_reflns_theta_full        32.67
_diffrn_reflns_theta_max         32.67
_diffrn_reflns_theta_min         2.83
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9871
_exptl_absorpt_correction_T_min  0.9611
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.360
_exptl_crystal_description       block
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.396
_exptl_crystal_size_mid          0.271
_exptl_crystal_size_min          0.177
_refine_diff_density_max         0.530
_refine_diff_density_min         -0.278
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         4222
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0474
_refine_ls_R_factor_gt           0.0405
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0769P)^2^+0.1644P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1183
_refine_ls_wR_factor_ref         0.1250
_reflns_number_gt                3602
_reflns_number_total             4222
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo4008767_si_002_2.cif
_cod_data_source_block           Compound_6a
_cod_original_cell_volume        1163.91(10)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4028371