Ligand-free copper-catalyzed efficient one-pot access of benzo[b]pyrido[3,2-f][1,4]oxazepinones through O-heteroarylation-Smiles rearrangement-cyclization cascade
Ganguly, Nemai C.; Mondal, Pallab; Roy, Sushmita; Mitra, Partha; RSC Adv. 4 (2014) 55640–; doi:10.1039/C4RA11128A

data_7218631
_publ_section_title
;
 Ligand-free copper-catalyzed efficient one-pot access of
 benzo[b]pyrido[3,2-f][1,4]oxazepinones through O-heteroarylation-Smiles
 rearrangement-cyclization cascade
;
_journal_issue                   98
_journal_name_full               'RSC Adv.'
_journal_page_first              55640
_journal_paper_doi               10.1039/C4RA11128A
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C19 H13 Cl N2 O2'
_chemical_formula_weight         336.76
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 102.983(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.808(4)
_cell_length_b                   19.723(8)
_cell_length_c                   9.339(4)
_cell_measurement_reflns_used    1120
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      1.5
_cell_volume                     1580.9(12)
_computing_cell_refinement       'APEX2(Bruker,2007)and SAINT (Bruker,2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT(Bruker,2007)and XPREP(Bruker,2007)'
_computing_molecular_graphics
;    
ORTEP-3 for Windows (Farrugia, 1997), DIAMOND (Brandenburg,
1999) and Mercury (Macrae <i>et al.</i>, 2006)
;
_computing_publication_material  'PLATON (Spek, 2009)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.950
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD area-detector'
_diffrn_measurement_method       '\f and \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  0.0677
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            13327
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.37
_exptl_absorpt_coefficient_mu    0.255
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.97
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.415
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.706
_refine_diff_density_min         -1.147
_refine_diff_density_rms         0.163
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.245
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2646
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.245
_refine_ls_R_factor_all          0.1278
_refine_ls_R_factor_gt           0.1094
_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^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2726
_refine_ls_wR_factor_ref         0.3073
_reflns_number_gt                1962
_reflns_number_total             2646
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ra11128a2.cif
_cod_data_source_block           test7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 
;
_cod_original_cell_volume        1580.8(11)
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7218631