De Novo Synthesis of Possible Candidates for the Inagami-Tamura Endogenous Digitalis-like Factor.
Nakazaki, Atsuo; Hashimoto, Keiko; Ikeda, Ai; Shibata, Takahiro; Nishikawa, Toshio; The Journal of organic chemistry 82 (2017) 9097–9111; doi:10.1021/acs.joc.7b01640

data_4032697
_publ_section_title
;
 De Novo Synthesis of Possible Candidates for the Inagami-Tamura
 Endogenous Digitalis-like Factor.
;
_journal_issue                   17
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9097
_journal_page_last               9111
_journal_paper_doi               10.1021/acs.joc.7b01640
_journal_volume                  82
_journal_year                    2017
_chemical_absolute_configuration 'CHOOSE rm ad rmad syn or unk'
_chemical_formula_moiety         'C14 H18 O4'
_chemical_formula_sum            'C14 H18 O4'
_chemical_formula_weight         250.29
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   7.4257(8)
_cell_length_b                   7.4764(8)
_cell_length_c                   23.433(2)
_cell_measurement_reflns_used    9305
_cell_measurement_temperature    123
_cell_measurement_theta_max      67.16
_cell_measurement_theta_min      3.77
_cell_volume                     1300.9(2)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL Version 2014/7 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT Version 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      123
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.1800
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            26458
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.602
_diffrn_reflns_theta_max         67.602
_diffrn_reflns_theta_min         3.773
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.767
_exptl_absorpt_correction_T_max  0.926
_exptl_absorpt_correction_T_min  0.674
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             536.00
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.32
_refine_diff_density_min         -0.42
_refine_ls_abs_structure_details
;
 Flack x determined using 789 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.09(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.082
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2339
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0558
_refine_ls_R_factor_gt           0.0528
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0806P)^2^+0.0044P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1371
_refine_ls_wR_factor_ref         0.1404
_reflns_Friedel_coverage         0.689
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                2136
_reflns_number_total             2339
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            jo7b01640_si_002.cif
_cod_data_source_block           Hashimoto-1191
_cod_database_code               4032697
_shelx_res_checksum              70548
_shelx_hkl_checksum              64109