Stepwise Reduction of Octaethyl-β,β′-dioxochlorin Isomers: Access to Structurally and Electronically Diverse Hydroporphyrins
Chaudhri, Nivedita; Zeller, Matthias; Brückner, Christian; The Journal of Organic Chemistry  (2020) –; doi:10.1021/acs.joc.0c01989

data_4038913
_publ_section_title
;
 Stepwise Reduction of Octaethyl-\b,\b&#x2032;-dioxochlorin Isomers:
 Access to Structurally and Electronically Diverse Hydroporphyrins
;
_journal_name_full               'The Journal of Organic Chemistry'
_journal_paper_doi               10.1021/acs.joc.0c01989
_journal_year                    2020
_chemical_formula_sum            'C36 H48 N4 O2'
_chemical_formula_weight         568.78
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                94.5164(13)
_cell_angle_beta                 93.3913(13)
_cell_angle_gamma                106.5581(12)
_cell_formula_units_Z            2
_cell_length_a                   11.4151(5)
_cell_length_b                   11.6462(5)
_cell_length_c                   12.5464(6)
_cell_measurement_reflns_used    9515
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      79.7660
_cell_measurement_theta_min      3.5467
_cell_volume                     1588.00(12)
_computing_cell_refinement       'SAINT V8.38A (Bruker, 2016)'
_computing_data_collection       'Apex3 v2018.1-0 (Bruker, 2018)'
_computing_data_reduction        'SAINT V8.38A (Bruker, 2016)'
_computing_structure_refinement
;  
SHELXL-2018/3 (Sheldrick, 2015, 2018), 
SHELXLE Rev946 (H\"ubschle et al., 2011)
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type
;
Bruker AXS D8 Quest diffractometer with PhotonII charge-integrating pixel 
array detector (CPAD)
;
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'laterally graded multilayer (Goebel) mirror'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0369
_diffrn_reflns_av_unetI/netI     0.0247
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.977
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            60098
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         81.645
_diffrn_reflns_theta_min         3.547
_diffrn_source                   'I-mu-S microsource X-ray tube'
_diffrn_source_current           '1.0 mA'
_diffrn_source_voltage           '50 kV'
_exptl_absorpt_coefficient_mu    0.575
_exptl_absorpt_correction_T_max  0.7543
_exptl_absorpt_correction_T_min  0.6162
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_description       rod
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.210
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.140
_refine_diff_density_max         0.318
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.043
_refine_ls_extinction_coef       0.0097(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.155
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     409
_refine_ls_number_reflns         6853
_refine_ls_number_restraints     39
_refine_ls_restrained_S_all      1.153
_refine_ls_R_factor_all          0.0501
_refine_ls_R_factor_gt           0.0487
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0581P)^2^+0.5711P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1322
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6509
_reflns_number_total             6853
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c01989_si_003.cif
_cod_data_source_block           11-O7-(OH)3-rac
_cod_database_code               4038913
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.889
_shelx_estimated_absorpt_t_max   0.924
_shelx_res_checksum              16883
_shelx_hkl_checksum              23907