Chiral Lewis acid catalysis in a visible light-triggered cycloaddition/rearrangement cascade
Stegbauer, Simone; Jandl, Christian; Bach, Thorsten; Chemical Science  (2022) –; doi:10.1039/D2SC03159K

data_1567705
_publ_section_title
;
 Chiral Lewis acid catalysis in a visible light-triggered
 cycloaddition/rearrangement cascade
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC03159K
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C17 H18 O2'
_chemical_formula_sum            'C17 H18 O2'
_chemical_formula_weight         254.31
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_update_record
;
2022-03-12 deposited with the CCDC.	2022-09-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4440(8)
_cell_length_b                   8.3645(11)
_cell_length_c                   24.703(3)
_cell_measurement_reflns_used    9898
_cell_measurement_temperature    100
_cell_measurement_theta_max      26.3368
_cell_measurement_theta_min      2.9401
_cell_volume                     1331.5(3)
_computing_cell_refinement       'SAINT (Bruker, 2017)'
_computing_data_collection       'APEX III Control Software (Bruker, 2016)'
_computing_data_reduction        'SAINT (Bruker, 2017)'
_computing_molecular_graphics    'PLATON (Spek, 2011)'
_computing_publication_material  'PLATON (Spek, 2011), enCIFer (Allen, 2004)'
_computing_structure_refinement
'SHELXL-2017 (Sheldrick, 2017), SHELXLE (Huebschle, 2011)'
_computing_structure_solution    'SHELXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 ' CMOS plate '
_diffrn_detector_area_resol_mean 16
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       ' \k-geometry diffractometer '
_diffrn_measurement_device_type  ' Bruker Photon CMOS '
_diffrn_measurement_method       ' phi- and omega-rotation '
_diffrn_radiation_monochromator  'Helios optic'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'IMS microsource'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0540
_diffrn_reflns_av_unetI/netI     0.0244
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            35906
_diffrn_reflns_reduction_process
;
;
_diffrn_reflns_theta_full        25.24
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6140
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2016/2, Bruker, 2016'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.269
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.430
_exptl_crystal_size_mid          0.142
_exptl_crystal_size_min          0.032
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.040
_refine_ls_abs_structure_details 'Flack (1983)'
_refine_ls_abs_structure_Flack   0.4(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2734
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0396
_refine_ls_R_factor_gt           0.0364
_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^)+(0.0365P)^2^+0.4516P] WHERE P=(FO^2^+2FC^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0871
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                2578
_reflns_number_total             2734
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            d2sc03159k2.cif
_cod_data_source_block           compound_8a
_cod_database_code               1567705
_shelx_res_checksum              64678