Facile and highly atom-economic method to build biaryl-containing medium-ring lactones
Dongdong Wu; Lei Wang; Kai Xu; Jia Song; Hong-Kun Fun; JianHua Xu; Yan Zhang; Chem.Commun. 48 (2012) 1168–; doi:10.1039/c2cc16492b

data_7107223
_publ_section_title
;
 Facile and highly atom-economic method to build biaryl-containing
 medium-ring lactones
;
_journal_name_full               Chem.Commun.
_journal_page_first              1168
_journal_paper_doi               10.1039/c2cc16492b
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C20 H14 N2 O4'
_chemical_formula_sum            'C20 H14 N2 O4'
_chemical_formula_weight         346.33
_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                 95.9460(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6883(4)
_cell_length_b                   17.1238(7)
_cell_length_c                   11.0471(4)
_cell_measurement_reflns_used    5956
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      30.55
_cell_measurement_theta_min      2.36
_cell_volume                     1634.71(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 (Sheldrick, 2008), PLATON (Spek, 2009)
;
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type
;
Bruker SMART APEXII 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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0301
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            25268
_diffrn_reflns_theta_full        33.74
_diffrn_reflns_theta_max         33.74
_diffrn_reflns_theta_min         2.20
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9792
_exptl_absorpt_correction_T_min  0.9657
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.287
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         6484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0823
_refine_ls_R_factor_gt           0.0500
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0874P)^2^+0.1527P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1419
_refine_ls_wR_factor_ref         0.1643
_reflns_number_gt                4244
_reflns_number_total             6484
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c2cc16492b.txt
_cod_data_source_block           mo_wdd71_0m
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7107223