Anionic [4+3] heteroannulation of 2-azidoacrylates: A direct synthesis of 2-benzazepin-1-ones
Bidyut Kumar Dinda; Amit Kumar Jana; Dipakranjan Mal; Chem.Commun. 48 (2012) 3999–; doi:10.1039/c2cc30279a

data_7107574
_publ_section_title
;
 Anionic [4+3] heteroannulation of 2-azidoacrylates: A direct synthesis of
 2-benzazepin-1-ones
;
_journal_name_full               Chem.Commun.
_journal_page_first              3999
_journal_paper_doi               10.1039/c2cc30279a
_journal_volume                  48
_journal_year                    2012
_chemical_formula_sum            'C18 H15 N O4'
_chemical_formula_weight         309.31
_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                 95.382(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7053(12)
_cell_length_b                   18.113(3)
_cell_length_c                   10.6268(17)
_cell_measurement_reflns_used    17416
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.23
_cell_volume                     1476.6(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker-APEX-II CCD area detector'
_diffrn_measurement_method       hemisphere
_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  0.0338
_diffrn_reflns_av_sigmaI/netI    0.0222
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            17416
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  0.990
_exptl_absorpt_correction_T_min  0.988
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.391
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.074
_refine_diff_density_min         -0.294
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     214
_refine_ls_number_reflns         2598
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0665
_refine_ls_R_factor_gt           0.0543
_refine_ls_shift/su_max          0.046
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0869P)^2^+0.8144P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1531
_refine_ls_wR_factor_ref         0.1636
_reflns_number_gt                2099
_reflns_number_total             2598
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c2cc30279a.txt
_cod_data_source_block           bkd169
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7107574