Total Synthesis and Structural Reassignment of Aranorosinol A, Aranorosinol B, and EI-2128-1.
Yu, Haiyong; Tian, Yingyuan; Zong, Yan; Zhang, Jianyu; Xu, Tao; The Journal of organic chemistry  (2020) –; doi:10.1021/acs.joc.0c00028

data_4038045
_publ_section_title
;
 Total Synthesis and Structural Reassignment of Aranorosinol A,
 Aranorosinol B, and EI-2128-1.
;
_journal_name_full               'The Journal of organic chemistry'
_journal_paper_doi               10.1021/acs.joc.0c00028
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_sum            'C20 H24 N O6'
_chemical_formula_weight         374.40
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 111.942(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.0870(8)
_cell_length_b                   11.7793(11)
_cell_length_c                   9.6187(9)
_cell_measurement_reflns_used    651
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.9205
_cell_measurement_theta_min      2.4775
_cell_volume                     954.99(15)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1035
_diffrn_reflns_av_sigmaI/netI    0.1483
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            3201
_diffrn_reflns_theta_full        66.03
_diffrn_reflns_theta_max         66.03
_diffrn_reflns_theta_min         4.96
_exptl_absorpt_coefficient_mu    0.798
_exptl_absorpt_correction_T_max  0.9389
_exptl_absorpt_correction_T_min  0.8567
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             398
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.436
_refine_diff_density_min         -0.370
_refine_diff_density_rms         0.106
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1.4(12)
_refine_ls_extinction_coef       0.063(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.992
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         2222
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.992
_refine_ls_R_factor_all          0.1794
_refine_ls_R_factor_gt           0.1157
_refine_ls_shift/su_max          0.046
_refine_ls_shift/su_mean         0.008
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2918
_refine_ls_wR_factor_ref         0.3854
_reflns_number_gt                935
_reflns_number_total             2222
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0c00028_si_003.cif
_cod_data_source_block           170730d
_cod_database_code               4038045