Chasing the Elusive Benzofuran Impurity of the THR Antagonist NH-3: Synthesis, Isotope Labeling, and Biological Activity.
Singh, Latika; Pressly, Brandon; Mengeling, Brenda J.; Fettinger, James C.; Furlow, J. David; Lein, Pamela J.; Wulff, Heike; Singh, Vikrant; The Journal of organic chemistry 81 (2016) 1870–1876; doi:10.1021/acs.joc.5b02665

data_4036543
_publ_section_title
;
 Chasing the Elusive Benzofuran Impurity of the THR Antagonist NH-3:
 Synthesis, Isotope Labeling, and Biological Activity.
;
_journal_issue                   5
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1870
_journal_page_last               1876
_journal_paper_doi               10.1021/acs.joc.5b02665
_journal_volume                  81
_journal_year                    2016
_chemical_formula_moiety         'C21 H26 O4'
_chemical_formula_sum            'C21 H26 O4'
_chemical_formula_weight         342.42
_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'
_atom_sites_solution_hydrogens   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 94.7353(13)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.8293(7)
_cell_length_b                   7.2371(4)
_cell_length_c                   20.2340(11)
_cell_measurement_reflns_used    9990
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      69.07
_cell_measurement_theta_min      4.24
_cell_volume                     1872.25(18)
_computing_cell_refinement       'SAINT (8.34a) (Bruker, 2013)'
_computing_data_collection       'Apex2 (2013.10-2) (Bruker, 2013)'
_computing_data_reduction        'SAINT (8.34a) (Bruker, 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT (Sheldrick, 2013)'
_diffrn_ambient_temperature      90(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0246
_diffrn_reflns_av_unetI/netI     0.0319
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            8406
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         69.063
_diffrn_reflns_theta_min         4.244
_exptl_absorpt_coefficient_mu    0.667
_exptl_absorpt_correction_T_max  0.8687
_exptl_absorpt_correction_T_min  0.7181
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2014/3 (Sheldrick, 2014)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_description       Block
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.359
_exptl_crystal_size_mid          0.312
_exptl_crystal_size_min          0.191
_refine_diff_density_max         0.234
_refine_diff_density_min         -0.173
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     330
_refine_ls_number_reflns         3438
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0367
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0433P)^2^+0.6118P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0961
_refine_ls_wR_factor_ref         0.0967
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3339
_reflns_number_total             3438
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo5b02665_si_002.cif
_cod_data_source_block           JF2353FFMI
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4036543
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.796
_shelx_estimated_absorpt_t_max   0.883
_shelx_res_checksum              43814
_shelx_hkl_checksum              50955