DDQ-Supported Alkoxylation of 2-Aza-21-carbaporphyrin and Noncatalyzed Transetherification of Its 3,21-Dialkoxy Derivatives
Xiaofang Li; Bin Liu; Xin Xu; Piotr J. Chmielewski; Journal of Organic Chemistry 77 (2012) 8206–8219; doi:10.1021/jo301573e

data_4027527
_publ_section_title
;
 DDQ-Supported Alkoxylation of 2-Aza-21-carbaporphyrin and Noncatalyzed
 Transetherification of Its 3,21-Dialkoxy Derivatives
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8206
_journal_page_last               8219
_journal_paper_doi               10.1021/jo301573e
_journal_volume                  77
_journal_year                    2012
_chemical_formula_moiety         'C51 H44 N4 O2'
_chemical_formula_sum            'C51 H44 N4 O2'
_chemical_formula_weight         744.90
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
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_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.0370(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5264(2)
_cell_length_b                   26.2557(4)
_cell_length_c                   13.4965(2)
_cell_measurement_reflns_used    24692
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.7790
_cell_measurement_theta_min      2.9162
_cell_volume                     4083.83(11)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.42 (release 29-05-2009 CrysAlis171 .NET)
(compiled May 29 2009,17:40:42)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.33.42 (release 29-05-2009 CrysAlis171 .NET)
(compiled May 29 2009,17:40:42)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.33.42 (release 29-05-2009 CrysAlis171 .NET)
(compiled May 29 2009,17:40:42)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Sapphire2, large Be window'
_diffrn_measurement_method       '\w 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  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0220
_diffrn_reflns_limit_h_max       14
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_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
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_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            49655
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_description       block
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_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.17
_platon_squeeze_details
;
;
_refine_diff_density_max         0.698
_refine_diff_density_min         -0.468
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.925
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         8913
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.925
_refine_ls_R_factor_all          0.0714
_refine_ls_R_factor_gt           0.0584
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2085
_refine_ls_wR_factor_ref         0.2225
_reflns_number_gt                6910
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo301573e_si_004.cif
_cod_data_source_block           chin81
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