Selenium Dioxide As an Alternative Reagent for the Direct α-Selenoamidation of Aryl Methyl Ketones.
Shangpliang, O. Risuklang; Kshiar, Baskhemlang; Wanniang, Kmendashisha; Marpna, Ibakyntiew D.; Lipon, Tyrchain Mitre; Laloo, Badaker M.; Myrboh, Bekington; The Journal of organic chemistry 83 (2018) 5829–5835; doi:10.1021/acs.joc.8b00558

data_4034826
_publ_section_title
;
 Selenium Dioxide As an Alternative Reagent for the Direct
 \a-Selenoamidation of Aryl Methyl Ketones.
;
_journal_issue                   10
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              5829
_journal_page_last               5835
_journal_paper_doi               10.1021/acs.joc.8b00558
_journal_volume                  83
_journal_year                    2018
_chemical_formula_moiety         'C11 H14 N2 O Se'
_chemical_formula_sum            'C11 H14 N2 O Se'
_chemical_formula_weight         269.20
_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     direct
_audit_creation_date             2018-04-02
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_cell_angle_alpha                90
_cell_angle_beta                 93.616(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.3705(12)
_cell_length_b                   8.1129(7)
_cell_length_c                   10.1910(8)
_cell_measurement_reflns_used    917
_cell_measurement_temperature    295.6(2)
_cell_measurement_theta_max      25.2280
_cell_measurement_theta_min      4.1480
_cell_volume                     1185.77(17)
_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      295.6(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.0640
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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      9.00  92.00   1.00    2.21    --   19.93  37.00-150.00   83
  2  \w     35.00  61.00   1.00    2.21    --   19.93 178.00  60.00   26
  3  \w    -49.00  47.00   1.00    2.21    --   19.93 -77.00  90.00   96
;
_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      0.0439115000
_diffrn_orient_matrix_UB_12      0.0387724000
_diffrn_orient_matrix_UB_13      -0.0042872000
_diffrn_orient_matrix_UB_21      0.0178350000
_diffrn_orient_matrix_UB_22      -0.0729435000
_diffrn_orient_matrix_UB_23      -0.0274041000
_diffrn_orient_matrix_UB_31      -0.0140271000
_diffrn_orient_matrix_UB_32      0.0287042000
_diffrn_orient_matrix_UB_33      -0.0640146000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0423
_diffrn_reflns_av_unetI/netI     0.0762
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            4336
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         26.365
_diffrn_reflns_theta_min         3.461
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    3.143
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.23794
_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            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.508
_exptl_crystal_description       plate
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.645
_refine_diff_density_min         -0.995
_refine_diff_density_rms         0.090
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2407
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0998
_refine_ls_R_factor_gt           0.0617
_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^)+(0.0332P)^2^+1.4910P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1251
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1626
_reflns_number_total             2407
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo8b00558_si_007.cif
_cod_data_source_block           r-330
_cod_original_cell_volume        1185.77(18)
_cod_database_code               4034826
_shelx_shelxl_version_number     2018/1
_chemical_oxdiff_formula         C11H14N2OSe
_reflns_odcompleteness_completeness 99.15
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     26.32
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C7(H7A,H7B), C10(H10A,H10B), C8(H8A,H8B), C9(H9A,H9B)
2.b Aromatic/amide H refined with riding coordinates:
 N1(H1), C2(H2), C4(H4), C3(H3)
;
_shelx_res_checksum              89092
_shelx_hkl_checksum              21836
_olex2_date_sample_data_collection 2018-04-02
_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 2.218
_oxdiff_exptl_absorpt_empirical_full_min 0.486