Cobalt(III) porphyrin catalyzed aza-Diels-Alder reaction.
Wakabayashi, Ryota; Kurahashi, Takuya; Matsubara, Seijiro; Organic letters 14 (2012) 4794–4797; doi:10.1021/ol3020946

data_1508631
_publ_section_title
;
 Cobalt(III) porphyrin catalyzed aza-Diels-Alder reaction.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4794
_journal_page_last               4797
_journal_paper_doi               10.1021/ol3020946
_journal_volume                  14
_journal_year                    2012
_chemical_absolute_configuration unk
_chemical_formula_sum            'C20 H21 N O2 S'
_chemical_formula_weight         339.44
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 105.707(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.819(3)
_cell_length_b                   11.480(4)
_cell_length_c                   9.859(4)
_cell_measurement_reflns_used    2783
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      26.73
_cell_measurement_theta_min      2.71
_cell_volume                     851.9(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0170
_diffrn_reflns_av_sigmaI/netI    0.0272
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5118
_diffrn_reflns_theta_full        26.82
_diffrn_reflns_theta_max         26.82
_diffrn_reflns_theta_min         2.15
_exptl_absorpt_coefficient_mu    0.202
_exptl_absorpt_correction_T_max  0.9801
_exptl_absorpt_correction_T_min  0.9801
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.361
_refine_diff_density_min         -0.196
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.62(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         3275
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0385
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0642P)^2^+0.0750P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0960
_refine_ls_wR_factor_ref         0.0973
_reflns_number_gt                3148
_reflns_number_total             3275
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol3020946_si_002.cif
_cod_data_source_block           3aj
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        851.8(5)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1508631