A core switching strategy to pyrrolo[2,3-b]quinolines and diazocino[1,2-a]indolinones.
Jones, Alan M.; Patterson, Stephen; Lorion, Magali M.; Slawin, Alexandra M. Z.; Westwood, Nicholas J.; Organic & biomolecular chemistry 14 (2016) 8998–9011; doi:10.1039/c6ob01566b

data_7155269
_publ_section_title
;
 A core switching strategy to pyrrolo[2,3-b]quinolines and
 diazocino[1,2-a]indolinones.
;
_journal_issue                   38
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8998
_journal_page_last               9011
_journal_paper_doi               10.1039/c6ob01566b
_journal_volume                  14
_journal_year                    2016
_chemical_formula_moiety         'C24 H26 N4 O4'
_chemical_formula_sum            'C24 H26 N4 O4'
_chemical_formula_weight         434.49
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2016-05-18
_audit_creation_method           'by CrystalStructure 4.2'
_audit_update_record
;
2016-06-06 deposited with the CCDC.
2016-08-30 downloaded from the CCDC.
;
_cell_angle_alpha                90.0000
_cell_angle_beta                 111.215(5)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   10.843(3)
_cell_length_b                   19.280(5)
_cell_length_c                   11.337(4)
_cell_measurement_reflns_used    4161
_cell_measurement_temperature    93
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      1.93
_cell_volume                     2209.4(11)
_computing_cell_refinement       CrystalClear
_computing_data_collection       'CrystalClear (Rigaku Corp., 2000)'
_computing_data_reduction        CrystalClear
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL Version 2014/7 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altomare, et al., 1994)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 7.314
_diffrn_measured_fraction_theta_full 0.959
_diffrn_measured_fraction_theta_max 0.957
_diffrn_measurement_device_type  'Rigaku Saturn70'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.1912
_diffrn_reflns_Laue_measured_fraction_full 0.959
_diffrn_reflns_Laue_measured_fraction_max 0.957
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            16836
_diffrn_reflns_point_group_measured_fraction_full 0.959
_diffrn_reflns_point_group_measured_fraction_max 0.957
_diffrn_reflns_theta_full        25.241
_diffrn_reflns_theta_max         25.348
_diffrn_reflns_theta_min         2.113
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             920.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.010
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.37
_refine_diff_density_min         -0.34
_refine_ls_extinction_coef       0.015(3)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.147
_refine_ls_hydrogen_treatment    mixed
_refine_ls_number_parameters     299
_refine_ls_number_reflns         3871
_refine_ls_number_restraints     2
_refine_ls_R_factor_all          0.0975
_refine_ls_R_factor_gt           0.0815
_refine_ls_shift/su_max          0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0732P)^2^+2.2354P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2014
_refine_ls_wR_factor_ref         0.2167
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3192
_reflns_number_total             3871
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            c6ob01566b2.cif
_cod_data_source_block           2i
_cod_depositor_comments
'Adding full bibliography for 7155268--7155269.cif.'
_cod_original_cell_volume        2209.5(12)
_cod_database_code               7155269
_shelx_res_checksum              27945