Enantioselective Allenoate-Claisen Rearrangement Using Chiral Phosphate Catalysts.
Miró, Javier; Gensch, Tobias; Ellwart, Mario; Han, Seo-Jung; Lin, Hsin-Hui; Sigman, Matthew S.; Toste, F. Dean; Journal of the American Chemical Society 142 (2020) 6390–6399; doi:10.1021/jacs.0c01637

data_4134535
_publ_section_title
;
 Enantioselective Allenoate-Claisen Rearrangement Using Chiral Phosphate
 Catalysts.
;
_journal_issue                   13
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6390
_journal_page_last               6399
_journal_paper_doi               10.1021/jacs.0c01637
_journal_volume                  142
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_moiety         '3(C0.5 H Cl), C64 H58 O2'
_chemical_formula_sum            'C65.5 H61 Cl3 O2'
_chemical_formula_weight         986.49
_space_group_crystal_system      orthorhombic
_space_group_IT_number           18
_space_group_name_Hall           'P 2 2ab'
_space_group_name_H-M_alt        'P 21 21 2'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.60670(10)
_cell_length_b                   26.8486(3)
_cell_length_c                   8.97260(10)
_cell_measurement_reflns_used    22954
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      78.8700
_cell_measurement_theta_min      4.1520
_cell_volume                     2796.07(5)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46e (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'ROD, Synergy Custom DW system, Pilatus 200K'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0391
_diffrn_reflns_av_unetI/netI     0.0209
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            35517
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        74.000
_diffrn_reflns_theta_max         74.473
_diffrn_reflns_theta_min         4.150
_diffrn_source                   'Rotating-anode X-ray tube'
_exptl_absorpt_coefficient_mu    1.807
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.69992
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Olex2 1.2-ac3
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_description       block
_exptl_crystal_F_000             1042
_exptl_crystal_size_max          0.120
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.060
_refine_diff_density_max         1.028
_refine_diff_density_min         -0.378
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details
;
 Flack x determined using 2242 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.039(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     348
_refine_ls_number_reflns         5714
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0556
_refine_ls_R_factor_gt           0.0537
_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^)+(0.0984P)^2^+1.0725P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1504
_refine_ls_wR_factor_ref         0.1522
_reflns_Friedel_coverage         0.760
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                5442
_reflns_number_total             5714
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c01637_si_002.cif
_cod_data_source_block           JM_IV_380_4
_cod_depositor_comments
'Adding full bibliography for 4134535--4134536.cif.'
_cod_original_formula_sum        'C65.50 H61 Cl3 O2'
_cod_database_code               4134535
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.812
_shelx_estimated_absorpt_t_max   0.899
_shelx_res_checksum              28214
_shelx_hkl_checksum              6865