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_4038546
_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 ad
_chemical_formula_moiety         'C23 H35 O5'
_chemical_formula_sum            'C23 H35 O5'
_chemical_formula_weight         391.51
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_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                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   19.7853(3)
_cell_length_b                   22.1644(4)
_cell_length_c                   10.4000(2)
_cell_measurement_reflns_used    52428
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      66.3850
_cell_measurement_theta_min      1.9550
_cell_volume                     4560.70(14)
_computing_cell_refinement       'CrysAlisPro 1.171.39.16b (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.39.16b (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.39.16b (Rigaku OD, 2015)'
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0727
_diffrn_reflns_av_unetI/netI     0.0206
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            164334
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        66.599
_diffrn_reflns_theta_max         66.599
_diffrn_reflns_theta_min         1.993
_diffrn_source                   'microfocus rotating anode'
_exptl_absorpt_coefficient_mu    0.633
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.65736
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro 1.171.39.16b (Rigaku Oxford Diffraction, 2015) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.140
_exptl_crystal_description       Block
_exptl_crystal_F_000             1704
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.382
_refine_diff_density_min         -0.299
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details
; 
 Flack x determined using 3161 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   0.07(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     527
_refine_ls_number_reflns         8074
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0414
_refine_ls_R_factor_gt           0.0365
_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^)+(0.0550P)^2^+0.8829P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0935
_refine_ls_wR_factor_ref         0.0966
_reflns_Friedel_coverage         0.883
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                7400
_reflns_number_total             8074
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo0c00891_si_001.cif
_cod_data_source_block           007a-18078
_cod_depositor_comments
'Adding full bibliography for 4038544--4038549.cif.'
_cod_database_code               4038546
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.939
_shelx_estimated_absorpt_t_max   0.957
_shelx_res_checksum              830
_shelx_hkl_checksum              13216