Asymmetric Synthesis of the Antiviral Diterpene Wickerol A.
Liu, Shu-An; Trauner, Dirk; Journal of the American Chemical Society 139 (2017) 9491–9494; doi:10.1021/jacs.7b05046

data_4131352
_publ_section_title
;
 Asymmetric Synthesis of the Antiviral Diterpene Wickerol A.
;
_journal_issue                   28
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9491
_journal_page_last               9494
_journal_paper_doi               10.1021/jacs.7b05046
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C18 H30 O2, 0.5(C6 H6)'
_chemical_formula_sum            'C21 H33 O2'
_chemical_formula_weight         317.47
_chemical_name_common            SL1869-B
_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   mixed
_audit_block_code                C18H30O2_benzene_vv248_trauner
_audit_creation_method           'APEX3 v2016.5-0'
_audit_update_record             06-Apr-17
_cell_angle_alpha                95.392(2)
_cell_angle_beta                 104.2140(10)
_cell_angle_gamma                90.3290(10)
_cell_formula_units_Z            2
_cell_length_a                   8.8933(3)
_cell_length_b                   9.3676(4)
_cell_length_c                   11.1619(5)
_cell_measurement_reflns_used    4649
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      26.2693
_cell_measurement_theta_min      2.7458
_cell_volume                     897.03(6)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 v2016.5-0, Bruker AXS (2016)'
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'shelXle (C.B. Huebschle, rev 786)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/5'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device       'fixed-chi three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture TXS'
_diffrn_measurement_method       'mix of phi and omega scans'
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0313
_diffrn_reflns_av_unetI/netI     0.0421
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.988
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            9511
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.988
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.368
_diffrn_reflns_theta_min         3.171
_diffrn_source                   'rotating anode (TXS)'
_diffrn_source_current           50
_diffrn_source_power             2.5
_diffrn_source_type              'Bruker TXS'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.9705
_exptl_absorpt_correction_T_min  0.9347
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.175
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             350
_exptl_crystal_size_max          0.090
_exptl_crystal_size_mid          0.070
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.244
_refine_diff_density_min         -0.206
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         3620
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0619
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0389P)^2^+0.4511P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1102
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2842
_reflns_number_total             3620
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b05046_si_004.cif
_cod_data_source_block           vv248
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               4131352
_shelx_estimated_absorpt_t_min   0.993
_shelx_estimated_absorpt_t_max   0.997
_shelx_res_checksum              67654
_shelx_hkl_checksum              61292