Two-Step Transformation of Aliphatic Polyketones into π-Conjugated Polyimines.
Manabe, Yumehiro; Uesaka, Mitsuharu; Yoneda, Tomoki; Inokuma, Yasuhide; The Journal of organic chemistry 84 (2019) 9957–9964; doi:10.1021/acs.joc.9b01119

data_4034029
_publ_section_title
;
 Two-Step Transformation of Aliphatic Polyketones into \p-Conjugated
 Polyimines.
;
_journal_issue                   16
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9957
_journal_page_last               9964
_journal_paper_doi               10.1021/acs.joc.9b01119
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C14 H20 N4'
_chemical_formula_sum            'C14 H20 N4'
_chemical_formula_weight         244.34
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 104.044(8)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   6.1286(4)
_cell_length_b                   12.4667(8)
_cell_length_c                   9.5271(8)
_cell_measurement_reflns_used    2413
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.4990
_cell_measurement_theta_min      3.2780
_cell_volume                     706.15(9)
_computing_cell_refinement       'CrysAlisPro 1.171.39.43a (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.43a (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.43a (Rigaku OD, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC11 (RCD3): quarter-chi single'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0324
_diffrn_reflns_av_unetI/netI     0.0280
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5932
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.990
_diffrn_reflns_theta_min         2.743
_diffrn_source                   'Rotating-anode X-ray tube (dual wavelength)'
_diffrn_source_type              'Rigaku (Mo) X-ray DW Source'
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.43754
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.43a (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.310
_exptl_crystal_size_min          0.090
_refine_diff_density_max         0.252
_refine_diff_density_min         -0.129
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     85
_refine_ls_number_reflns         1381
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0548
_refine_ls_R_factor_gt           0.0439
_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^)+(0.0485P)^2^+0.2053P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1106
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1149
_reflns_number_total             1381
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo9b01119_si_003.cif
_cod_data_source_block           UMEX406_2
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4034029
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.969
_shelx_estimated_absorpt_t_max   0.994
_shelx_res_checksum              6964
_shelx_hkl_checksum              30770