Oxazoline scaffold in synthesis of benzosiloxaboroles and related ring-expanded heterocycles: diverse reactivity, structural peculiarities and antimicrobial activity
Krajewska, Joanna; Nowicki, Krzysztof; Durka, Krzysztof; Marek-Urban, Paulina H.; Wińska, Patrycja; Stępniewski, Tomasz; Woźniak, Krzysztof; Laudy, Agnieszka E.; Luliński, Sergiusz; RSC Advances 12 (2022) 23099–23117; doi:10.1039/D2RA03910A

data_7245336
_publ_section_title
;
 Oxazoline scaffold in synthesis of benzosiloxaboroles and related
 ring-expanded heterocycles: diverse reactivity, structural peculiarities
 and antimicrobial activity
;
_journal_issue                   36
_journal_name_full               'RSC Advances'
_journal_page_first              23099
_journal_page_last               23117
_journal_paper_doi               10.1039/D2RA03910A
_journal_volume                  12
_journal_year                    2022
_chemical_formula_moiety         '2(C19 H23 B F N3 O5 Si), H2O'
_chemical_formula_sum            'C19 H24 B F N3 O5.5 Si'
_chemical_formula_weight         440.31
_chemical_melting_point          402
_chemical_name_systematic
;
6-[2-methyl-2-(N-methylpyrazinamido)propoxycarbonyl]-7-fluoro-1,1-dimethyl-3-hydroxybenzo[1,2,3]siloxaborole
;
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2022-04-13 deposited with the CCDC.	2022-08-08 downloaded from the CCDC.
;
_cell_angle_alpha                100.665(2)
_cell_angle_beta                 100.149(2)
_cell_angle_gamma                91.918(2)
_cell_formula_units_Z            2
_cell_length_a                   7.3320(2)
_cell_length_b                   10.4076(2)
_cell_length_c                   14.5602(4)
_cell_measurement_reflns_used    8593
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      72.3880
_cell_measurement_theta_min      3.0740
_cell_volume                     1072.28(5)
_computing_cell_refinement       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.67a (Rigaku OD, 2019)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      100.01(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.2195
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0648
_diffrn_reflns_av_unetI/netI     0.0389
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            15571
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.668
_diffrn_reflns_theta_min         3.143
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.385
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.575
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.67a (Rigaku Oxford Diffraction, 2019)
Numerical absorption correction based on gaussian integration over
			a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_description       block
_exptl_crystal_F_000             462
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent: CHCl3'
_exptl_crystal_size_max          0.197
_exptl_crystal_size_mid          0.110
_exptl_crystal_size_min          0.083
_refine_diff_density_max         0.698
_refine_diff_density_min         -0.653
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4189
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0582
_refine_ls_R_factor_gt           0.0525
_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^)+(0.0978P)^2^+0.4598P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1421
_refine_ls_wR_factor_ref         0.1490
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3702
_reflns_number_total             4189
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2ra03910a7.cif
_cod_data_source_block           3d
_cod_original_formula_sum        'C19 H24 B F N3 O5.50 Si'
_cod_database_code               7245336
_oxdiff_exptl_absorpt_empirical_full_min 0.413
_oxdiff_exptl_absorpt_empirical_full_max 2.686
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelxl_version_number           2013-4
_shelx_res_checksum              87171