Development of a Convergent Enantioselective Synthetic Route to (-)-Myrocin G.
Tomanik, Martin; Economou, Christos; Frischling, Madeline C.; Xue, Mengzhao; Marks, Victoria A.; Mercado, Brandon Q.; Herzon, Seth B.; The Journal of organic chemistry 85 (2020) 8952–8989; doi:10.1021/acs.joc.0c00891

data_4038545
_publ_section_title
;
 Development of a Convergent Enantioselective Synthetic Route to
 (-)-Myrocin G.
;
_journal_issue                   14
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              8952
_journal_page_last               8989
_journal_paper_doi               10.1021/acs.joc.0c00891
_journal_volume                  85
_journal_year                    2020
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C19 H24 O5'
_chemical_formula_sum            'C19 H24 O5'
_chemical_formula_weight         332.38
_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'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     SHELXT
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 105.942(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.2611(6)
_cell_length_b                   6.3708(2)
_cell_length_c                   12.0672(4)
_cell_measurement_reflns_used    5184
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      66.5520
_cell_measurement_theta_min      3.7670
_cell_volume                     832.43(6)
_computing_cell_refinement       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'CIFTAB-2014/2 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT-2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      93(2)
_diffrn_detector_area_resol_mean 22.2
_diffrn_measured_fraction_theta_full 0.983
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Rigaku Saturn 944+ CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.1509
_diffrn_reflns_av_unetI/netI     0.0688
_diffrn_reflns_Laue_measured_fraction_full 0.983
_diffrn_reflns_Laue_measured_fraction_max 0.983
_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            28622
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        66.548
_diffrn_reflns_theta_max         66.548
_diffrn_reflns_theta_min         3.810
_diffrn_source                   'microfocus rotating anode'
_exptl_absorpt_coefficient_mu    0.779
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.32765
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.40.67a (Rigaku Oxford Diffraction, 2019) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_description       Needle
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.050
_exptl_crystal_size_mid          0.040
_exptl_crystal_size_min          0.010
_refine_diff_density_max         0.168
_refine_diff_density_min         -0.216
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details
; 
 Flack x determined using 791 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   -0.9(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         2906
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0824
_refine_ls_R_factor_gt           0.0575
_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^)+(0.0649P)^2^+0.3374P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1260
_refine_ls_wR_factor_ref         0.1414
_reflns_Friedel_coverage         0.821
_reflns_Friedel_fraction_full    0.985
_reflns_Friedel_fraction_max     0.985
_reflns_number_gt                2243
_reflns_number_total             2906
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c00891_si_001.cif
_cod_data_source_block           007b-20019
_cod_depositor_comments
'Adding full bibliography for 4038544--4038549.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4038545
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.962
_shelx_estimated_absorpt_t_max   0.992
_shelx_res_checksum              48321
_shelx_hkl_checksum              35564