Synthesis of 2-amino- and 2-arylazoazulenes via nucleophilic aromatic substitution of 2-chloroazulenes with amines and arylhydrazines
Shoji, Taku; Sugiyama, Shuhei; Araki, Takanori; Ohta, Akira; Sekiguchi, Ryuta; Ito, Shunji; Mori, Shigeki; Okujima, Tetsuo; Org. Biomol. Chem.  (2017) –; doi:10.1039/C7OB00691H

data_7155579
_publ_section_title
;
 Synthesis of 2-amino- and 2-arylazoazulenes via nucleophilic aromatic
 substitution of 2-chloroazulenes with amines and arylhydrazines
;
_journal_name_full               'Org. Biomol. Chem.'
_journal_paper_doi               10.1039/C7OB00691H
_journal_year                    2017
_chemical_formula_moiety         'C22 H20 N2 O4'
_chemical_formula_sum            'C22 H20 N2 O4'
_chemical_formula_weight         376.40
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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-2014/7
_audit_update_record
;
2016-11-24 deposited with the CCDC.
2017-04-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.109(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.8205(4)
_cell_length_b                   8.9300(3)
_cell_length_c                   16.3199(6)
_cell_measurement_reflns_used    14926
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.31
_cell_measurement_theta_min      2.48
_cell_volume                     1865.67(11)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'CrystalStructure 4.2.2 (Rigaku, 2016)'
_computing_publication_material  'CrystalStructure 4.2.2 (Rigaku, 2016)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SIR2011 (Burla, et al., 2012)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 7.111
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku Saturn724'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0564
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            31065
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.998
_diffrn_reflns_theta_min         2.500
_diffrn_source                   'Varimax 50 kV 24 mA Rotating anode'
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.995
_exptl_absorpt_correction_T_min  0.881
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             792
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.050
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.282
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         4499
_refine_ls_number_restraints     405
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0577
_refine_ls_R_factor_gt           0.0428
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0417P)^2^+0.6399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0930
_refine_ls_wR_factor_ref         0.1004
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3635
_reflns_number_total             4499
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ob00691h2.cif
_cod_data_source_block           shelxl
_cod_database_code               7155579
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.980
_shelx_estimated_absorpt_t_max   0.995
_shelx_res_checksum              60415