Construction of Pyrrolo[1,2-a]indoles via Cobalt(III)-Catalyzed Enaminylation of 1-(Pyrimidin-2-yl)-1H-indoles with Ketenimines and Subsequent Base-Promoted Cyclization.
Zhou, Xiaorong; Fan, Zili; Zhang, Zhiyin; Lu, Ping; Wang, Yanguang; Organic letters 18 (2016) 4706–4709; doi:10.1021/acs.orglett.6b02353

data_1544034
_publ_section_title
;
 Construction of Pyrrolo[1,2-a]indoles via Cobalt(III)-Catalyzed
 Enaminylation of 1-(Pyrimidin-2-yl)-1H-indoles with Ketenimines and
 Subsequent Base-Promoted Cyclization.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4706
_journal_page_last               4709
_journal_paper_doi               10.1021/acs.orglett.6b02353
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C27 H17 Cl N4 O'
_chemical_formula_sum            'C27 H17 Cl N4 O'
_chemical_formula_weight         448.90
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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_date             2016-03-01
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Olex2 1.2
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_cell_angle_alpha                90.00
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_cell_length_a                   7.9757(4)
_cell_length_b                   11.0702(5)
_cell_length_c                   25.2461(11)
_cell_measurement_reflns_used    3371
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.4614
_cell_measurement_theta_min      3.0348
_cell_volume                     2228.73(18)
_computing_cell_refinement
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
(compiled May 16 2011,17:55:39)
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_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
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_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
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_diffrn_ambient_temperature      293.15
_diffrn_detector_area_resol_mean 10.3592
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0099928000
_diffrn_orient_matrix_UB_12      -0.0608151000
_diffrn_orient_matrix_UB_13      -0.0082302000
_diffrn_orient_matrix_UB_21      0.0359961000
_diffrn_orient_matrix_UB_22      0.0201531000
_diffrn_orient_matrix_UB_23      -0.0239275000
_diffrn_orient_matrix_UB_31      0.0807029000
_diffrn_orient_matrix_UB_32      -0.0014473000
_diffrn_orient_matrix_UB_33      0.0122202000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0293
_diffrn_reflns_av_unetI/netI     0.0292
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            13426
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.04
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.199
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.80619
_exptl_absorpt_correction_type   multi-scan
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CrysAlisPro, Agilent Technologies,
Version 1.171.35.11 (release 16-05-2011 CrysAlis171 .NET)
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Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
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_exptl_crystal_colour            red
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.338
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             928
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.36
_refine_diff_density_max         0.285
_refine_diff_density_min         -0.376
_refine_diff_density_rms         0.034
_refine_ls_extinction_coef       0.0185(11)
_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   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4085
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0407
_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^)+(0.0421P)^2^+0.5451P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0932
_refine_ls_wR_factor_ref         0.1049
_reflns_number_gt                3048
_reflns_number_total             4085
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b02353_si_004.cif
_cod_data_source_block           160226_zxr454_066
_cod_depositor_comments
'Adding full bibliography for 1544033--1544034.cif.'
_cod_database_code               1544034
_chemical_oxdiff_formula         'c10 h10 n2 o8'
_reflns_odcompleteness_completeness 99.73
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C7(H7), C13(H13), C14(H14), C16(H16),
 C17(H17), C19(H19), C20(H20), C21(H21), C23(H23), C24(H24), C25(H25), C26(H26),
  C27(H27)
;