Palladium-catalyzed synthesis of 4-sila-4<i>H</i>-benzo[<i>d</i>][1,3]oxazines by intramolecular Hiyama coupling.
Lee, Donghyeon; Shintani, Ryo; Chemical science 14 (2023) 4114–4119; doi:10.1039/d2sc06425a

data_1568687
_publ_section_title
;
 Palladium-catalyzed synthesis of
 4-sila-4<i>H</i>-benzo[<i>d</i>][1,3]oxazines by intramolecular Hiyama
 coupling.
;
_journal_issue                   15
_journal_name_full               'Chemical science'
_journal_page_first              4114
_journal_page_last               4119
_journal_paper_doi               10.1039/d2sc06425a
_journal_volume                  14
_journal_year                    2023
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27.50 H35 N O2 Si'
_chemical_formula_sum            'C27.5 H35 N O2 Si'
_chemical_formula_weight         439.65
_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   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2022-08-05 deposited with the CCDC.	2023-03-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.2116(14)
_cell_length_b                   19.3311(19)
_cell_length_c                   9.9202(9)
_cell_measurement_reflns_used    7274
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.1
_cell_volume                     2725.3(5)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b45'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b45'
_computing_molecular_graphics    'Yadokari-XG (Wakita, Nemoto et al., 2009)'
_computing_publication_material  'Yadokari-XG (Wakita, Nemoto et al., 2009)'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SIR-2014 (Burla et al., 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 5.8140
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0204
_diffrn_reflns_av_unetI/netI     0.0271
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            15527
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.546
_diffrn_reflns_theta_min         3.054
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.861
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.072
_exptl_crystal_description       Prism
_exptl_crystal_F_000             948
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.500
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.437
_refine_diff_density_min         -0.175
_refine_diff_density_rms         0.042
_refine_ls_abs_structure_details
;
 Flack x determined using 1710 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.07(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         6127
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0722
_refine_ls_R_factor_gt           0.0542
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1124P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1481
_refine_ls_wR_factor_ref         0.1602
_reflns_Friedel_coverage         0.743
_reflns_Friedel_fraction_full    0.985
_reflns_Friedel_fraction_max     0.948
_reflns_number_gt                4730
_reflns_number_total             6127
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc06425a2.cif
_cod_data_source_block           0611dl2
_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/rss-feeds/RSC/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 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 1568687--1568690.cif.
;
_cod_original_formula_sum        'C27.50 H35 N O2 Si'
_cod_database_code               1568687
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.948
_shelx_estimated_absorpt_t_max   0.968
_shelx_res_checksum              12348
_shelx_hkl_checksum              21721