Urea-catalyzed construction of oxazinanes.
Hardman, Andrea M.; So, Sonia S.; Mattson, Anita E.; Organic & biomolecular chemistry 11 (2013) 5793–5797; doi:10.1039/c3ob41517a

data_7153060
_publ_section_title
;
 Urea-catalyzed construction of oxazinanes.
;
_journal_issue                   35
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5793
_journal_page_last               5797
_journal_paper_doi               10.1039/c3ob41517a
_journal_volume                  11
_journal_year                    2013
_chemical_absolute_configuration unk
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C22 H20 N2 O3'
_chemical_formula_sum            'C22 H20 N2 O3'
_chemical_formula_weight         360.4
_chemical_name_common            'Mattson 1932'
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      1
_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_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2013-02-18T11:33:30-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                65.624(1)
_cell_angle_beta                 71.772(2)
_cell_angle_gamma                81.292(2)
_cell_formula_units_Z            1
_cell_length_a                   7.3566(2)
_cell_length_b                   8.0059(2)
_cell_length_c                   9.0060(2)
_cell_measurement_reflns_used    2089
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      1.018
_cell_measurement_wavelength     0.71073
_cell_volume                     458.74(2)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_orient_matrix_type       'by Bruker AXS Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      -0.13809E-1
_diffrn_orient_matrix_UB_12      0.133704
_diffrn_orient_matrix_UB_13      -0.219933E-1
_diffrn_orient_matrix_UB_21      -0.138126
_diffrn_orient_matrix_UB_22      -0.162905E-1
_diffrn_orient_matrix_UB_23      0.657133E-1
_diffrn_orient_matrix_UB_31      0.350096E-1
_diffrn_orient_matrix_UB_32      -0.259942E-1
_diffrn_orient_matrix_UB_33      0.106317
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.027
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            14559
_diffrn_reflns_theta_full        27.45
_diffrn_reflns_theta_max         27.45
_diffrn_reflns_theta_min         2.58
_diffrn_source                   'Enraf Nonius FR590'
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.989
_exptl_absorpt_correction_T_min  0.877
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'HKL Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             190
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.128
_refine_diff_density_min         -0.203
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4070
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0367
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0426P)^2^+0.0690P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0824
_refine_ls_wR_factor_ref         0.0863
_reflns_number_gt                3724
_reflns_number_total             4070
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3ob41517a.txt
_cod_data_source_block           Mattson1932
_cod_original_sg_symbol_H-M      ' P 1'
_cod_database_code               7153060