Photochemical preparation of pyrrole ring-contracted chlorins by the Wolff rearrangement
Tillmann Köpke; Maren Pink; Jeffrey M. Zaleski; Organic & Biomolecular Chemistry 4 (2006) 4059–; doi:10.1039/b612776m

data_7151334
_publ_section_title
;
 Photochemical preparation of pyrrole ring-contracted chlorins by the
 Wolff rearrangement
;
_journal_issue                   22
_journal_name_full               'Organic &amp;  Biomolecular Chemistry'
_journal_page_first              4059
_journal_paper_doi               10.1039/b612776m
_journal_volume                  4
_journal_year                    2006
_chemical_formula_moiety         'C88 H52 N8 Ni2 O2, 3(C H2 Cl2)'
_chemical_formula_sum            'C91 H58 Cl6 N8 Ni2 O2'
_chemical_formula_weight         1625.57
_chemical_name_systematic
;
?
;
_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                 102.635(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.111(4)
_cell_length_b                   14.986(4)
_cell_length_c                   27.852(6)
_cell_measurement_reflns_used    2367
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      22.1
_cell_measurement_theta_min      2.3
_cell_volume                     7376(3)
_computing_cell_refinement       'SAINT (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2003), XTEL (loc. libr.)'
_computing_publication_material  'SHELXTL (Bruker, 2003)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare, 1993)'
_diffrn_ambient_temperature      130(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 44.52
_diffrn_detector_type            'Bruker SMART 6000'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_details
'0.30 degree frames measured for 50 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_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  0.1224
_diffrn_reflns_av_sigmaI/netI    0.1125
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            49219
_diffrn_reflns_theta_full        25.15
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    0.787
_exptl_absorpt_correction_T_max  0.9844
_exptl_absorpt_correction_T_min  0.9254
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing; 1995'
_exptl_crystal_colour            'dark brown'
_exptl_crystal_density_diffrn    1.464
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             3336
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.545
_refine_diff_density_min         -1.013
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     992
_refine_ls_number_reflns         13121
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.1465
_refine_ls_R_factor_gt           0.0715
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1018P)^2^+19.2797P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1805
_refine_ls_wR_factor_ref         0.2276
_reflns_number_gt                7141
_reflns_number_total             13121
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b612776m.txt
_cod_data_source_block           05168
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7151334