Enantioselective Folding of Enynes by Gold(I) Catalysts with a Remote <i>C</i><sub>2</sub>-Chiral Element.
Zuccarello, Giuseppe; Mayans, Joan G.; Escofet, Imma; Scharnagel, Dagmar; Kirillova, Mariia S.; Pérez-Jimeno, Alba H; Calleja, Pilar; Boothe, Jordan R.; Echavarren, Antonio M.; Journal of the American Chemical Society 141 (2019) 11858–11863; doi:10.1021/jacs.9b06326

data_4128567
_publ_section_title
;
 Enantioselective Folding of Enynes by Gold(I) Catalysts with a Remote
 <i>C</i><sub>2</sub>-Chiral Element.
;
_journal_issue                   30
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11858
_journal_page_last               11863
_journal_paper_doi               10.1021/jacs.9b06326
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_sum            'C27 H38 O6'
_chemical_formula_weight         458.57
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.5452(5)
_cell_length_b                   11.4903(4)
_cell_length_c                   24.4692(8)
_cell_measurement_reflns_used    9975
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.28
_cell_volume                     4933.0(3)
_computing_cell_refinement       'Bruker APEX2 v2014.9-0'
_computing_data_collection       'Bruker APEX2 v2014.9-0'
_computing_data_reduction        'Bruker SAINT V7.60A'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2018 (Sheldrick, 2018)'
_computing_structure_solution    Sir2011
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 512
_diffrn_detector_type            '4K CCD area detector APEX II'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'APEX DUO Kappa 4-axis goniometer'
_diffrn_measurement_method
;
 Fullsphere data collection, phi and omega scans
;
_diffrn_measurement_specimen_support 'magnetic support with MicroMount'
_diffrn_radiation_monochromator  'Quazar MX Multilayer Optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0276
_diffrn_reflns_av_unetI/netI     0.0360
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            30476
_diffrn_reflns_point_group_measured_fraction_full 0.863
_diffrn_reflns_point_group_measured_fraction_max 0.842
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.302
_diffrn_reflns_theta_min         1.664
_diffrn_source                   'Microfocus source E025 IuS'
_diffrn_source_current           0.6
_diffrn_source_power             50
_diffrn_source_size              '0.2 mm x 0.2 mm fine focus'
_diffrn_source_type              'Bruker APEX DUO'
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.762
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 SADABS Version 2008/1 Bruker-Nonius
 Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.235
_exptl_crystal_description       block
_exptl_crystal_F_000             1984
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.275
_refine_diff_density_min         -0.201
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details
;
 Flack x determined using 3060 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.2(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     624
_refine_ls_number_reflns         10326
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0500
_refine_ls_R_factor_gt           0.0395
_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^)+(0.0527P)^2^+0.7403P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0961
_refine_ls_wR_factor_ref         0.1018
_reflns_Friedel_coverage         0.653
_reflns_Friedel_fraction_full    0.720
_reflns_Friedel_fraction_max     0.681
_reflns_number_gt                8936
_reflns_number_total             10326
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b06326_si_012.cif
_cod_data_source_block           JGM2096
_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/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/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_original_sg_symbol_H-M      Pna2(1)
_cod_database_code               4128567
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.983
_shelx_estimated_absorpt_t_max   0.991
_shelx_res_checksum              59247
_shelx_hkl_checksum              40368