Regioselective reaction of 5,15-disubstituted porphyrins with organolithium reagents—synthetic access to 5,10,15-trisubstituted porphyrins and directly meso-meso-linked bisporphyrins
Senge, Mathias O.; Feng, Xiangdong; Journal of the Chemical Society, Perkin Transactions 1  (2000) 3615–; doi:10.1039/b005411i

data_7213413
_publ_section_title
;
 Regioselective reaction of 5,15-disubstituted porphyrins with
 organolithium reagents---synthetic access to 5,10,15-trisubstituted
 porphyrins and directly meso-meso-linked bisporphyrins
;
_journal_issue                   21
_journal_name_full
'Journal of the Chemical Society, Perkin Transactions 1'
_journal_page_first              3615
_journal_paper_doi               10.1039/b005411i
_journal_year                    2000
_chemical_formula_sum            'C35 H28 N4'
_chemical_formula_weight         504.61
_chemical_melting_point          ?
_chemical_name_systematic
; 
 5-isopropyl-10,20-diphenylporphyrin 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 116.75(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.157(5)
_cell_length_b                   18.255(10)
_cell_length_c                   13.045(6)
_cell_measurement_reflns_used    54
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      58
_cell_measurement_theta_min      42
_cell_volume                     2585(2)
_computing_cell_refinement       'Siemens P3'
_computing_data_collection       'Siemens P3'
_computing_data_reduction        'XDISK, Shelxtl-Plus, Siemens, 1994'
_computing_molecular_graphics    'XP, Shelxtl-Plus, Siemens, 1994'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      130(2)
_diffrn_detector_area_resol_mean n/a
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Siemens P4/RA'
_diffrn_measurement_method       2theta-theta
_diffrn_radiation_monochromator  Ni-filter
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0510
_diffrn_reflns_av_sigmaI/netI    0.0215
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3746
_diffrn_reflns_theta_full        56.46
_diffrn_reflns_theta_max         56.46
_diffrn_reflns_theta_min         4.13
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_count 198
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.597
_exptl_absorpt_correction_T_max  0.8413
_exptl_absorpt_correction_T_min  0.7160
_exptl_absorpt_correction_type   'empirical, XABS2'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.296
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             1064
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.315
_refine_diff_density_min         -0.150
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     354
_refine_ls_number_reflns         3415
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0514
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0696P)^2^+0.7741P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1109
_refine_ls_wR_factor_ref         0.1182
_reflns_number_gt                2885
_reflns_number_total             3415
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b005411isup1.cif
_cod_data_source_block           ms426
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'n/d' was changed to '?' - the value
is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/d' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7213413