Scalable C-H Oxidation with Copper: Synthesis of Polyoxypregnanes.
See, Yi Yang; Herrmann, Aaron T.; Aihara, Yoshinori; Baran, Phil S.; Journal of the American Chemical Society 137 (2015) 13776–13779; doi:10.1021/jacs.5b09463

data_4124719
_publ_section_title
;
 Scalable C-H Oxidation with Copper: Synthesis of Polyoxypregnanes.
;
_journal_issue                   43
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13776
_journal_page_last               13779
_journal_paper_doi               10.1021/jacs.5b09463
_journal_volume                  137
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H26 O2'
_chemical_formula_sum            'C19 H26 O2'
_chemical_formula_weight         286.40
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_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_date             2015-01-06
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2014.12.26 svn.r3119 for OlexSys, GUI svn.r4975)
;
_cell_angle_alpha                90
_cell_angle_beta                 114.5480(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   10.8829(5)
_cell_length_b                   6.2007(3)
_cell_length_c                   12.5765(6)
_cell_measurement_reflns_used    9221
_cell_measurement_temperature    100
_cell_measurement_theta_max      68.236
_cell_measurement_theta_min      4.466
_cell_volume                     771.97(6)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v2013.6-2 (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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    'ShelXT (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device       'Kappa Four-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker X8 APEX II'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0216
_diffrn_reflns_av_unetI/netI     0.0109
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            20392
_diffrn_reflns_point_group_measured_fraction_full 0.978
_diffrn_reflns_point_group_measured_fraction_max 0.975
_diffrn_reflns_theta_full        68.000
_diffrn_reflns_theta_max         68.257
_diffrn_reflns_theta_min         3.864
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Bruker FR-591'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.604
_exptl_absorpt_correction_T_max  0.1665
_exptl_absorpt_correction_T_min  0.0686
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/4 (Bruker,2014/4) was used for absorption correction.
wR2(int) was 0.0623 before and 0.0337 after correction.
The Ratio of minimum to maximum transmission is 0.4120.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_colour_primary    Colorless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_description       Block
_exptl_crystal_F_000             312
_exptl_crystal_size_max          0.173
_exptl_crystal_size_mid          0.098
_exptl_crystal_size_min          0.033
_refine_diff_density_max         0.212
_refine_diff_density_min         -0.134
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details
;
 Flack x determined using 1215 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.03(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     193
_refine_ls_number_reflns         2760
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0310
_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^)+(0.0574P)^2^+0.0728P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0842
_refine_ls_wR_factor_ref         0.0845
_reflns_Friedel_coverage         0.796
_reflns_Friedel_fraction_full    0.965
_reflns_Friedel_fraction_max     0.961
_reflns_number_gt                2742
_reflns_number_total             2760
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b09463_si_004.cif
_cod_data_source_block           Baran490
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4124715--4124721.cif.
;
_cod_database_code               4124719
_shelx_estimated_absorpt_t_max   0.980
_shelx_estimated_absorpt_t_min   0.903
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C4(H4), C6(H6), C8(H8), C9(H9), C16(H16)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C7(H7A,H7B), C14(H14A,H14B), C15(H15A,H15B),
 C17(H17A,H17B)
2.c Aromatic/amide H refined with riding coordinates:
 C10(H10), C11(H11)
2.d Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C19(H19A,H19B,H19C)
2.e Idealised tetrahedral OH refined as rotating group:
 O2(H2)
;
_shelx_res_checksum              57376
_shelx_hkl_checksum              73042
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'