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_4028372
_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         'C22 H20 O2'
_chemical_formula_sum            'C22 H20 O2'
_chemical_formula_weight         316.38
_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                81.674(2)
_cell_angle_beta                 81.146(2)
_cell_angle_gamma                64.453(2)
_cell_formula_units_Z            2
_cell_length_a                   7.3159(7)
_cell_length_b                   7.9854(7)
_cell_length_c                   14.9576(14)
_cell_measurement_reflns_used    5368
_cell_measurement_temperature    100(1)
_cell_measurement_theta_max      30.09
_cell_measurement_theta_min      2.77
_cell_volume                     775.98(12)
_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 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0318
_diffrn_reflns_av_sigmaI/netI    0.0274
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11188
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.38
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.9579
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_description       plate
_exptl_crystal_F_000             336
_exptl_crystal_size_max          0.509
_exptl_crystal_size_mid          0.228
_exptl_crystal_size_min          0.076
_refine_diff_density_max         0.301
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2719
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0463
_refine_ls_R_factor_gt           0.0421
_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^)+(0.0708P)^2^+0.3988P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1208
_refine_ls_wR_factor_ref         0.1254
_reflns_number_gt                2426
_reflns_number_total             2719
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo4008767_si_002_3.cif
_cod_data_source_block           Compound_8d
_cod_database_code               4028372