Copper-Mediated Construction of Spirocyclic Bis-oxindoles via a Double C-H, Ar-H Coupling Process.
Drouhin, Pauline; Hurst, Timothy E.; Whitwood, Adrian C.; Taylor, Richard J. K.; Organic letters 16 (2014) 4900–4903; doi:10.1021/ol5024129

data_1517670
_publ_section_title
;
 Copper-Mediated Construction of Spirocyclic Bis-oxindoles via a Double
 C-H, Ar-H Coupling Process.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4900
_journal_page_last               4903
_journal_paper_doi               10.1021/ol5024129
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C25 H26 N2 O4'
_chemical_formula_sum            'C25 H26 N2 O4'
_chemical_formula_weight         418.48
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2014-05-01
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_cell_angle_alpha                102.491(3)
_cell_angle_beta                 92.693(3)
_cell_angle_gamma                106.893(4)
_cell_formula_units_Z            2
_cell_length_a                   8.8304(4)
_cell_length_b                   9.0124(3)
_cell_length_c                   14.1564(4)
_cell_measurement_reflns_used    8154
_cell_measurement_temperature    110.05(10)
_cell_measurement_theta_max      31.9810
_cell_measurement_theta_min      3.3540
_cell_volume                     1045.18(7)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      110.05(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 16.1450
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.925
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0221069000
_diffrn_orient_matrix_UB_12      0.0401008000
_diffrn_orient_matrix_UB_13      0.0498867000
_diffrn_orient_matrix_UB_21      -0.0779590000
_diffrn_orient_matrix_UB_22      0.0060144000
_diffrn_orient_matrix_UB_23      0.0035398000
_diffrn_orient_matrix_UB_31      -0.0240745000
_diffrn_orient_matrix_UB_32      -0.0744086000
_diffrn_orient_matrix_UB_33      0.0130133000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0280
_diffrn_reflns_av_unetI/netI     0.0308
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.925
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            20923
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.925
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         32.166
_diffrn_reflns_theta_min         2.856
_diffrn_source                   'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.639
_exptl_absorpt_correction_T_min  0.342
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.330
_exptl_crystal_description       block
_exptl_crystal_F_000             444
_exptl_crystal_recrystallization_method CH2Cl2/hexane
_exptl_crystal_size_max          0.2483
_exptl_crystal_size_mid          0.1136
_exptl_crystal_size_min          0.0836
_refine_diff_density_max         0.422
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         6836
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0520
_refine_ls_R_factor_gt           0.0432
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0470P)^2^+0.4076P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1090
_refine_ls_wR_factor_ref         0.1149
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5803
_reflns_number_total             6836
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol5024129_si_002.cif
_cod_data_source_block           meso-12a
_cod_depositor_comments
'Adding full bibliography for 1517665--1517670.cif.'
_cod_original_cell_volume        1045.19(7)
_cod_database_code               1517670
_shelxl_version_number           2013-4
_chemical_oxdiff_formula         'C25 H26 N2 N2 O4'
_chemical_oxdiff_usercomment     'Tim's TEH161'
_reflns_odcompleteness_completeness 99.88
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C7(H7), C19(H19), C20(H20), C21(H21), C22(H22)
2.b Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C14(H14A,H14B,H14C), C15(H15A,H15B,
 H15C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C)
;
_olex2_exptl_crystal_mounting_method 'oil on loop'