Expansion by Contraction: Diversifying the Photochemical Reactivity Scope of Diazo-oxochlorins toward Development of in Situ Alkylating Agents
Tillmann Köpke; Maren Pink; Jeffrey M. Zaleski; Journal of the American Chemical Society 130 (2008) 15864–15871; doi:10.1021/ja800094e

data_4108697
_publ_section_title
;
 Expansion by Contraction: Diversifying the Photochemical Reactivity Scope
 of Diazo-oxochlorins toward Development of in Situ Alkylating Agents
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15864
_journal_page_last               15871
_journal_paper_doi               10.1021/ja800094e
_journal_volume                  130
_journal_year                    2008
_chemical_formula_moiety         'C49 H36 Cu N4 O3'
_chemical_formula_sum            'C49 H36 Cu N4 O3'
_chemical_formula_weight         792.36
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 92.106(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.788(3)
_cell_length_b                   9.9818(16)
_cell_length_c                   24.751(4)
_cell_measurement_reflns_used    5640
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      17.6
_cell_measurement_theta_min      2.4
_cell_volume                     3651.0(11)
_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-2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 44.52
_diffrn_detector_type            'Bruker SMART 6000'
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_details      '0.5 degree frames measured for 1 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'diamond 1 1 1'
_diffrn_radiation_source         synchrotron
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.48595
_diffrn_reflns_av_R_equivalents  0.0798
_diffrn_reflns_av_sigmaI/netI    0.0564
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            49305
_diffrn_reflns_theta_full        17.79
_diffrn_reflns_theta_max         17.79
_diffrn_reflns_theta_min         0.94
_exptl_absorpt_coefficient_mu    0.350
_exptl_absorpt_correction_T_max  0.9993
_exptl_absorpt_correction_T_min  0.9937
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing; 1995'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.442
_exptl_crystal_description       'flat needle'
_exptl_crystal_F_000             1644
_exptl_crystal_size_max          0.02
_exptl_crystal_size_mid          0.01
_exptl_crystal_size_min          0.00
_refine_diff_density_max         0.878
_refine_diff_density_min         -0.510
_refine_diff_density_rms         0.108
_refine_ls_extinction_coef       0.0043(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.121
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     552
_refine_ls_number_reflns         7501
_refine_ls_number_restraints     20
_refine_ls_restrained_S_all      1.121
_refine_ls_R_factor_all          0.1108
_refine_ls_R_factor_gt           0.0759
_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^)+(0.0471P)^2^+16.8722P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1767
_refine_ls_wR_factor_ref         0.1906
_reflns_number_gt                5303
_reflns_number_total             7501
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja800094e_si_004.cif
_cod_data_source_block           cmc0592
_cod_database_code               4108697