An efficient synthesis of hydantoins via sustainable integration of coupled domino processes.
Gao, Meng; Yang, Yan; Wu, Yan-Dong; Deng, Cong; Shu, Wen-Ming; Zhang, Dong-Xue; Cao, Li-Ping; She, Neng-Fang; Wu, An-Xin; Organic letters 12 (2010) 4026–4029; doi:10.1021/ol1015948

data_1503161
_publ_section_title
;
 An efficient synthesis of hydantoins via sustainable integration of
 coupled domino processes.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4026
_journal_page_last               4029
_journal_paper_doi               10.1021/ol1015948
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C27 H23 N2 O4.5'
_chemical_formula_weight         447.47
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.3010(18)
_cell_length_b                   17.774(3)
_cell_length_c                   22.517(4)
_cell_measurement_reflns_used    1200
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      15.83
_cell_measurement_theta_min      2.29
_cell_volume                     4522.9(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1287
_diffrn_reflns_av_sigmaI/netI    0.0908
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            27594
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9910
_exptl_absorpt_correction_T_min  0.9857
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.314
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.219
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.947
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     306
_refine_ls_number_reflns         4425
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.947
_refine_ls_R_factor_all          0.1653
_refine_ls_R_factor_gt           0.0659
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0588P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1253
_refine_ls_wR_factor_ref         0.1499
_reflns_number_gt                2026
_reflns_number_total             4425
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol1015948_si_001.cif
_cod_data_source_block           8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        4522.8(13)
_cod_original_sg_symbol_H-M      Pbcn
_cod_original_formula_sum        'C27 H23 N2 O4.50'
_cod_database_code               1503161