Exploiting the chemistry of strained rings: synthesis of indoles via domino reaction of aryl iodides with 2H-azirines.
Candito, David A.; Lautens, Mark; Organic letters 12 (2010) 3312–3315; doi:10.1021/ol100975b

data_1503025
_publ_section_title
;
 Exploiting the chemistry of strained rings: synthesis of indoles via
 domino reaction of aryl iodides with 2H-azirines.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3312
_journal_page_last               3315
_journal_paper_doi               10.1021/ol100975b
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C26 H20 N2'
_chemical_formula_sum            'C26 H20 N2'
_chemical_formula_weight         360.44
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.6734(5)
_cell_length_b                   8.9202(7)
_cell_length_c                   11.2248(6)
_cell_measurement_reflns_used    11923
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      2.8
_cell_volume                     1869.72(18)
_computing_cell_refinement       'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius B.V., 1997-2002)'
_computing_data_reduction        Denzo-SMN
_computing_molecular_graphics    'PLATON (Spek, 2009)'
_computing_publication_material  'SHELXTL V6.1'
_computing_structure_refinement  'SHELXTL V6.1 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_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  0.0845
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_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11923
_diffrn_reflns_theta_full        27.37
_diffrn_reflns_theta_max         27.37
_diffrn_reflns_theta_min         2.84
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.873
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements 
 Sortav (Blessing 1995)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.18
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_refine_diff_density_max         0.204
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_refine_diff_density_rms         0.051
_refine_ls_extinction_coef       0.012(2)
_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   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     254
_refine_ls_number_reflns         2217
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0966
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0619P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1000
_refine_ls_wR_factor_ref         0.1204
_reflns_number_gt                1456
_reflns_number_total             2217
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol100975b_si_001.cif
_cod_data_source_block           k1039a
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 1715 2011-07-08 13:25:40Z adriana 
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_cod_database_code               1503025