Synthesis of Rings DEF of Solanoeclepin A.
Chuang, Hsiang-Yu; Isobe, Minoru; The Journal of organic chemistry 82 (2017) 2045–2058; doi:10.1021/acs.joc.6b02886

data_4032276
_publ_section_title
;
 Synthesis of Rings DEF of Solanoeclepin A.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              2045
_journal_page_last               2058
_journal_paper_doi               10.1021/acs.joc.6b02886
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C16 H24 O3'
_chemical_formula_sum            'C16 H24 O3'
_chemical_formula_weight         264.35
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.153(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4752(8)
_cell_length_b                   23.748(3)
_cell_length_c                   8.0038(10)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     1420.6(3)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0354
_diffrn_reflns_av_sigmaI/netI    0.0626
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            10241
_diffrn_reflns_theta_full        25.09
_diffrn_reflns_theta_max         25.09
_diffrn_reflns_theta_min         2.55
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.9983
_exptl_absorpt_correction_T_min  0.9868
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.236
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.209
_refine_diff_density_min         -0.287
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.965
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         4509
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.965
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0464
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0704P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1049
_refine_ls_wR_factor_ref         0.1162
_reflns_number_gt                3578
_reflns_number_total             4509
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo6b02886_si_002.cif
_cod_data_source_block           a17023
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4032276