The multicomponent reaction of imidazo[1,5-a]pyridine carbenes with phthalaldehydes and dimethyl acetylenedicarboxylate: a facile construction of benzo[d]furo[3,2-b]azepines.
Pan, Huan-Rui; Wang, Xiao-Rong; Yan, Cai-Xia; Sun, Zhong-Xin; Cheng, Ying; Organic & biomolecular chemistry 9 (2011) 2166–2174; doi:10.1039/c0ob00746c

data_7151740
_publ_section_title
;
 The multicomponent reaction of imidazo[1,5-a]pyridine carbenes with
 phthalaldehydes and dimethyl acetylenedicarboxylate: a facile
 construction of benzo[d]furo[3,2-b]azepines.
;
_journal_issue                   7
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2166
_journal_page_last               2174
_journal_paper_doi               10.1039/c0ob00746c
_journal_volume                  9
_journal_year                    2011
_chemical_formula_moiety         'C24 H23 Br N2 O6'
_chemical_formula_sum            'C24 H23 Br N2 O6'
_chemical_formula_weight         515.35
_chemical_name_systematic
;
?(5S,6R)-Dimethyl 8-bromo-6-hydroxyl-4-isopropyl-5-(2-pyridyl)-
5,6-dihydrobenzo[d]furo[3,2-b]azepine-2,3-dicarboxylate
;
_space_group_IT_number           81
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4'
_symmetry_space_group_name_H-M   'P -4'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   29.5080(10)
_cell_length_b                   29.5080(10)
_cell_length_c                   12.1390(10)
_cell_measurement_reflns_used    9899
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.81
_cell_measurement_theta_min      2.17
_cell_volume                     10569.7(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0680
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            19871
_diffrn_reflns_theta_full        25.64
_diffrn_reflns_theta_max         25.64
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    1.593
_exptl_absorpt_correction_T_max  0.5682
_exptl_absorpt_correction_T_min  0.5277
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_density_diffrn    1.295
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             4224
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.40
_platon_squeeze_details
;
;
_refine_diff_density_max         0.506
_refine_diff_density_min         -0.279
_refine_diff_density_rms         0.052
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.003(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.971
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1231
_refine_ls_number_reflns         19871
_refine_ls_number_restraints     1280
_refine_ls_restrained_S_all      0.945
_refine_ls_R_factor_all          0.0735
_refine_ls_R_factor_gt           0.0446
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0488P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0964
_refine_ls_wR_factor_ref         0.1038
_reflns_number_gt                14156
_reflns_number_total             19871
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ob00746c.txt
_cod_data_source_block           101126b_0m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      P-4
_cod_database_code               7151740