Double Smiles rearrangement of Passerini adducts towards benzoxazinones
E. Martinand-Lurin; A. Dos Santos; L. El Kaim; L. Grimaud; P. Retailleaub; Chem.Commun. 50 (2014) 2214–; doi:10.1039/c3cc49022j

data_7111984
_publ_section_title
;
 Double Smiles rearrangement of Passerini adducts towards benzoxazinones
;
_journal_name_full               Chem.Commun.
_journal_page_first              2214
_journal_paper_doi               10.1039/c3cc49022j
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C20 H22 Br N O2'
_chemical_formula_sum            'C20 H22 Br N O2'
_chemical_formula_weight         388.30
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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     difmap
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 92.725(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.2170(10)
_cell_length_b                   11.276(2)
_cell_length_c                   22.803(3)
_cell_measurement_reflns_used    3241
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.350
_cell_measurement_theta_min      0.407
_cell_volume                     1853.6(5)
_computing_cell_refinement
'DENZO (Otwinowski & Minor, 1997); COLLECT (Nonius B.V., 1999)'
_computing_data_collection
'DENZO (Otwinowski & Minor, 1997); COLLECT (Nonius B.V., 1999)'
_computing_data_reduction        'SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_refinement
'SHELXL-2012 (Sheldrick, 2012);CRYSTALBUILDER (Welter, 2006)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Nonius kappa-CCD diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0350
_diffrn_reflns_av_unetI/netI     0.0620
_diffrn_reflns_Laue_measured_fraction_full 0.987
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            11449
_diffrn_reflns_point_group_measured_fraction_full 0.987
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        25.240
_diffrn_reflns_theta_max         25.507
_diffrn_reflns_theta_min         3.354
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Nonius Kappa CCD'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.229
_exptl_absorpt_correction_T_max  0.58
_exptl_absorpt_correction_T_min  0.44
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Scalepack (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.391
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.448
_refine_diff_density_min         -0.452
_refine_diff_density_rms         0.053
_refine_ls_extinction_coef       0.014(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         3391
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0770
_refine_ls_R_factor_gt           0.0473
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0598P)^2^+0.3912P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1178
_refine_ls_wR_factor_ref         0.1362
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2285
_reflns_number_total             3395
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c3cc49022j.txt
_cod_data_source_block           compound_2r
_cod_database_code               7111984
_shelxl_version_number           2012-9
_shelx_res_checksum              4013