Grignard-mediated reduction of 2,2,2-trichloro-1-arylethanones.
Essa, Ali H.; Lerrick, Reinner I.; Çiftçi, Eçe; Harrington, Ross W.; Waddell, Paul G.; Clegg, William; Hall, Michael J.; Organic & biomolecular chemistry 13 (2015) 5793–5803; doi:10.1039/c5ob00541h

data_7154445
_publ_section_title
;
 Grignard-mediated reduction of 2,2,2-trichloro-1-arylethanones.
;
_journal_issue                   20
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5793
_journal_page_last               5803
_journal_paper_doi               10.1039/c5ob00541h
_journal_volume                  13
_journal_year                    2015
_chemical_formula_moiety         'C11 H8 Cl3 N O'
_chemical_formula_sum            'C11 H8 Cl3 N O'
_chemical_formula_weight         276.53
_chemical_name_systematic
'2,2,2-trichloro-1-(1-methyl-1H-indol-3-yl)ethan-1-one '
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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
_audit_creation_date             2014-07-30
_audit_creation_method
;
Olex2 1.2-alpha
(compiled 2014.07.22 svn.r2960 for OlexSys, GUI svn.r4862)
;
_audit_update_record
;
2014-08-20 deposited with the CCDC.
2015-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.358(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8736(5)
_cell_length_b                   11.2992(4)
_cell_length_c                   10.6096(5)
_cell_measurement_reflns_used    3708
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.5575
_cell_measurement_theta_min      3.1856
_cell_volume                     1171.08(9)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      150.15
_diffrn_detector_area_resol_mean 10.3968
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.857
_diffrn_measurement_details
;
  1 omega  -63.00    3.00   1.0000    2.0000
omega____ theta____ kappa____ phi______ frames
    -       10.0600  -38.0000  -60.0000 66

  2 omega  -63.00   19.00   1.0000    2.0000
omega____ theta____ kappa____ phi______ frames
    -       10.0600  -38.0000    0.0000 82

  3 omega  -32.00   -6.00   1.0000    2.0000
omega____ theta____ kappa____ phi______ frames
    -       10.0600  112.0000   11.0000 26

  4 omega  -48.00   99.00   1.0000    2.0000
omega____ theta____ kappa____ phi______ frames
    -       10.0600    0.0000   30.0000 147
;
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      -0.0065681000
_diffrn_orient_matrix_UB_12      -0.0294857000
_diffrn_orient_matrix_UB_13      -0.0596028000
_diffrn_orient_matrix_UB_21      0.0604548000
_diffrn_orient_matrix_UB_22      0.0281131000
_diffrn_orient_matrix_UB_23      -0.0136151000
_diffrn_orient_matrix_UB_31      0.0396741000
_diffrn_orient_matrix_UB_32      -0.0477329000
_diffrn_orient_matrix_UB_33      0.0288213000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0277
_diffrn_reflns_av_unetI/netI     0.0273
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.857
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9535
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.857
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         28.594
_diffrn_reflns_theta_min         3.192
_diffrn_source                   'Enhance (Mo) X-ray Source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.757
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.92180
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.568
_exptl_crystal_description       block
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         2573
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0413
_refine_ls_R_factor_gt           0.0303
_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^)+(0.0277P)^2^+0.5186P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0650
_refine_ls_wR_factor_ref         0.0715
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2165
_reflns_number_total             2573
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ob00541h2.cif
_cod_data_source_block           mjh88
_cod_depositor_comments
'Adding full bibliography for 7154444--7154457.cif.'
_cod_database_code               7154445
_shelxl_version_number           2014-3
_chemical_oxdiff_formula         'C11 H8 Cl3 N O'
_shelx_estimated_absorpt_t_max   0.863
_shelx_estimated_absorpt_t_min   0.752
_reflns_odcompleteness_completeness 99.68
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     24.97
_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), C6(H6), C7(H7), C8(H8), C9(H9)
2.b Idealised Me refined as rotating group:
 C11(H11A,H11B,H11C)
;
_shelx_res_checksum              35289
_olex2_submission_special_instructions 'No special instructions were received'