Twelve-Step Asymmetric Synthesis of (-)-Nodulisporic Acid C.
Godfrey, Nicole A.; Schatz, Devon J.; Pronin, Sergey V.; Journal of the American Chemical Society 140 (2018) 12770–12774; doi:10.1021/jacs.8b09965

data_4133423
_publ_section_title
;
 Twelve-Step Asymmetric Synthesis of (-)-Nodulisporic Acid C.
;
_journal_issue                   40
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12770
_journal_page_last               12774
_journal_paper_doi               10.1021/jacs.8b09965
_journal_volume                  140
_journal_year                    2018
_chemical_formula_sum            'C25 H37 Br Cl N O4 Si'
_chemical_formula_weight         559.00
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                72.9449(6)
_cell_angle_beta                 78.4844(7)
_cell_angle_gamma                73.8845(6)
_cell_formula_units_Z            2
_cell_length_a                   8.6052(4)
_cell_length_b                   10.8224(6)
_cell_length_c                   16.0638(8)
_cell_measurement_reflns_used    9910
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      28.76
_cell_measurement_theta_min      2.48
_cell_volume                     1362.58(12)
_computing_cell_refinement       'Bruker SAINT 8.34a, 2013'
_computing_data_collection       'Bruker APEX2 2014.11-0, 2014'
_computing_data_reduction        'Bruker SAINT 8.34a, 2013'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL 2014/4'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.903
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0169
_diffrn_reflns_av_unetI/netI     0.0219
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.903
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            16448
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.903
_diffrn_reflns_theta_full        25.500
_diffrn_reflns_theta_max         28.874
_diffrn_reflns_theta_min         1.337
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    1.680
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.6090
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS 2014/5'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.362
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    not_measured
_exptl_crystal_description       needle
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.490
_exptl_crystal_size_mid          0.068
_exptl_crystal_size_min          0.067
_refine_diff_density_max         0.461
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         6472
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0285
_refine_ls_R_factor_gt           0.0249
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0359P)^2^+0.4270P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0620
_refine_ls_wR_factor_ref         0.0639
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5958
_reflns_number_total             6472
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja8b09965_si_003.cif
_cod_data_source_block           svp8
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not_measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4133423
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.493
_shelx_estimated_absorpt_t_max   0.896
_exptl_absorpt_special_details
; 
Reflections not merged 
16448 Corrected reflections written to file svp8s.hkl 
Estimated minimum and maximum transmission:  0.6090  0.7458 
The ratio (0.8166) of these values is more reliable than their absolute values 
Additional spherical absorption correction applied with mu*r =  0.2000 
Lambda/2 correction factor = 0.00150 
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_shelx_res_checksum              94511
_shelx_hkl_checksum              68047