Trifluoroacetic Acid-Mediated Oxidative Self-Condensation of Acetophenones in the Presence of SeO2: A Serendipitous Approach for the Synthesis of Fused [1,3]Dioxolo[4,5-d][1,3]dioxoles
Marpna, Ibakyntiew D.; Shangpliang, O. Risuklang; Wanniang, Kmendashisha; Kshiar, Baskhemlang; Lipon, Tyrchain Mitre; Laloo, Badaker M.; Myrboh, Bekington; ACS Omega  (2021) –; doi:10.1021/acsomega.1c01466

data_4518750
_publ_section_title
;
 Trifluoroacetic Acid-Mediated Oxidative Self-Condensation of
 Acetophenones in the Presence of SeO2: A Serendipitous Approach for the
 Synthesis of Fused [1,3]Dioxolo[4,5-d][1,3]dioxoles
;
_journal_name_full               'ACS Omega'
_journal_paper_doi               10.1021/acsomega.1c01466
_journal_year                    2021
_chemical_formula_moiety         'C24 H15 Cl3 O6'
_chemical_formula_sum            'C24 H15 Cl3 O6'
_chemical_formula_weight         505.71
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-01-31
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_cell_angle_alpha                90
_cell_angle_beta                 105.632(12)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.285(2)
_cell_length_b                   14.4225(13)
_cell_length_c                   11.9517(12)
_cell_measurement_reflns_used    1188
_cell_measurement_temperature    296.44(15)
_cell_measurement_theta_max      20.7490
_cell_measurement_theta_min      3.4910
_cell_volume                     2205.3(5)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43 (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      296.44(15)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0640
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
--------------------------------------------------------------------------
  1  \w     -3.00  24.00   1.00    5.20    --  -17.43 -99.00 -90.00   27
  2  \w      1.00  88.00   1.00    5.20    --   19.62  57.00  60.00   87
  3  \w     -6.00  91.00   1.00    5.20    --   19.62  37.00-150.00   97
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0053185000
_diffrn_orient_matrix_UB_12      -0.0309597000
_diffrn_orient_matrix_UB_13      0.0441701000
_diffrn_orient_matrix_UB_21      -0.0506750000
_diffrn_orient_matrix_UB_22      0.0178410000
_diffrn_orient_matrix_UB_23      -0.0043341000
_diffrn_orient_matrix_UB_31      -0.0218746000
_diffrn_orient_matrix_UB_32      -0.0337810000
_diffrn_orient_matrix_UB_33      -0.0427522000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0624
_diffrn_reflns_av_unetI/netI     0.1255
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8546
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.368
_diffrn_reflns_theta_min         3.030
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.456
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.94484
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.523
_exptl_crystal_description       block
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.253
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4473
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.1887
_refine_ls_R_factor_gt           0.0827
_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^)+(0.0264P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1007
_refine_ls_wR_factor_ref         0.1303
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2122
_reflns_number_total             4473
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao1c01466_si_001.cif
_cod_data_source_block           im-47
_cod_original_cell_volume        2205.2(5)
_cod_database_code               4518750
_shelx_shelxl_version_number     2016/4
_chemical_oxdiff_formula         C24H15Cl3O6
_reflns_odcompleteness_completeness 99.21
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Ternary CH refined with riding coordinates:
 C8(H8), C16(H16), C17(H17)
2.b Aromatic/amide H refined with riding coordinates:
 C15(H15), C24(H24), C4(H4), C11(H11), C1(H1), C14(H14), C5(H5), C12(H12),
 C20(H20), C2(H2), C21(H21), C23(H23)
;
_shelx_res_checksum              93104
_shelx_hkl_checksum              93475
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.063
_oxdiff_exptl_absorpt_empirical_full_min 0.939