NBS-Mediated dinitrogen extrusion of diazoacetamides under catalyst-free conditions: a practical access to the 3-bromooxindole derivatives
Xu, Xinfang; Wang, Xiangbo; Dong, Kuiyong; Yan, Bin; Zhang, Cheng; Qiu, Lihua; RSC Adv.  (2016) –; doi:10.1039/C6RA16868J

data_7225957
_publ_section_title
;
 NBS-Mediated dinitrogen extrusion of diazoacetamides under catalyst-free
 conditions: a practical access to the 3-bromooxindole derivatives
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA16868J
_journal_year                    2016
_chemical_formula_moiety         'C9 H8 Br N O'
_chemical_formula_sum            'C9 H8 Br N O'
_chemical_formula_weight         226.07
_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
_audit_update_record
;
2015-09-16 deposited with the CCDC.
2016-07-18 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 97.327(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.9498(4)
_cell_length_b                   8.2018(3)
_cell_length_c                   16.5817(5)
_cell_measurement_reflns_used    3215
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.7390
_cell_measurement_theta_min      2.9520
_cell_volume                     1746.79(10)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.32 (release 02-08-2013 CrysAlis171 .NET)
(compiled Aug  2 2013,16:46:58)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_measurement_method       '\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  0.0307
_diffrn_reflns_av_sigmaI/netI    0.0366
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9227
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    4.653
_exptl_absorpt_correction_T_max  0.4563
_exptl_absorpt_correction_T_min  0.2927
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.719
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.465
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3239
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0352P)^2^+1.1240P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0799
_refine_ls_wR_factor_ref         0.0852
_reflns_number_gt                2525
_reflns_number_total             3239
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra16868j2.cif
_cod_data_source_block           g150806a
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7225957