Sequential Staudinger ketene‒imine cycloaddition, RCM approach to polycyclic macrocyclic bisazetidinones
Ibrahim, Yehia A.; Al-Awadi, Nouria A.; Al-Azemi, Talal F.; Abraham, Susan; John, Elizabeth; RSC Advances 3 (2013) 6408–; doi:10.1039/c3ra40649k

data_7238978
_publ_section_title
;
 Sequential Staudinger ketene--imine cycloaddition, RCM approach to
 polycyclic macrocyclic bisazetidinones
;
_journal_issue                   18
_journal_name_full               'RSC Advances'
_journal_page_first              6408
_journal_paper_doi               10.1039/c3ra40649k
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C41 H41 N2 O10'
_chemical_formula_sum            'C41 H41 N2 O10'
_chemical_formula_weight         721.78
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 100.821(7)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            8
_cell_length_a                   26.5063(14)
_cell_length_b                   14.8912(8)
_cell_length_c                   19.0898(14)
_cell_measurement_reflns_used    13841
_cell_measurement_temperature    293
_cell_measurement_theta_max      25.31
_cell_measurement_theta_min      3.09
_cell_volume                     7401.0(8)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'Superflip (Palatinus, et al., 2007)'
_diffrn_ambient_temperature      293
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0515
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            29841
_diffrn_reflns_theta_full        25.32
_diffrn_reflns_theta_max         25.32
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.412
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3048.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.170
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     486
_refine_ls_number_reflns         6742
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0506
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0697P)^2^+1.7899P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1506
_reflns_number_gt                3830
_reflns_number_total             6742
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c3ra40649k_2.txt
_cod_data_source_block           User-defined
_cod_database_code               7238978