Expanding the chemical space of enol silyl ethers: catalytic dicarbofunctionalization enabled by iron catalysis.
Sar, Dinabandhu; Yin, Shuai; Grygus, Jacob; Rentería-Gómez, Ángel; Garcia, Melanie; Gutierrez, Osvaldo; Chemical science 14 (2023) 13007–13013; doi:10.1039/d3sc04549h

data_1570161
_publ_section_title
;
 Expanding the chemical space of enol silyl ethers: catalytic
 dicarbofunctionalization enabled by iron catalysis.
;
_journal_issue                   45
_journal_name_full               'Chemical science'
_journal_page_first              13007
_journal_page_last               13013
_journal_paper_doi               10.1039/d3sc04549h
_journal_volume                  14
_journal_year                    2023
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H16 F2 O3'
_chemical_formula_sum            'C16 H16 F2 O3'
_chemical_formula_weight         294.29
_chemical_name_systematic        DS-393
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-09-29
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-10-04 deposited with the CCDC.	2023-10-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   31.826(3)
_cell_length_b                   5.2173(4)
_cell_length_c                   8.1338(7)
_cell_measurement_reflns_used    9254
_cell_measurement_temperature    110.00
_cell_measurement_theta_max      70.264
_cell_measurement_theta_min      2.777
_cell_volume                     1350.6(2)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      110.00
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Venture (PHOTON III)'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0485
_diffrn_reflns_av_unetI/netI     0.0349
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            18270
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         70.258
_diffrn_reflns_theta_min         2.777
_diffrn_source_current           1.0
_diffrn_source_power             0.05
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.994
_exptl_absorpt_correction_T_max  0.7533
_exptl_absorpt_correction_T_min  0.6375
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1218 before and 0.0752 after correction.
The Ratio of minimum to maximum transmission is 0.8463.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.447
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Chloroform'
_exptl_crystal_size_max          0.086
_exptl_crystal_size_mid          0.067
_exptl_crystal_size_min          0.035
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details
;
 Flack x determined using 1163 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.08(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.139
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     192
_refine_ls_number_reflns         2561
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.139
_refine_ls_R_factor_all          0.0392
_refine_ls_R_factor_gt           0.0390
_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^)+(0.0461P)^2^+0.9489P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1058
_reflns_Friedel_coverage         0.853
_reflns_Friedel_fraction_full    0.994
_reflns_Friedel_fraction_max     0.989
_reflns_number_gt                2548
_reflns_number_total             2561
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc04549h2.cif
_cod_data_source_block           ds393a
_cod_depositor_comments
'Adding full bibliography for 1570159--1570162.cif.'
_cod_original_cell_volume        1350.59(19)
_cod_database_code               1570161
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.966
_shelx_estimated_absorpt_t_min   0.919
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C13(H13)
2.b Secondary CH2 refined with riding coordinates:
 C14(H14A,H14B), C16(H16A,H16B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2A), C3(H3A), C4(H4), C5(H5), C6(H6), C8(H8), C9(H9), C11(H11), C12(H12)
2.d Idealised tetrahedral OH refined as rotating group:
 O2(H2), O3(H3)
;
_shelx_res_checksum              49351
_olex2_submission_special_instructions 'No special instructions were received'