Electrochemical decarboxylative C3 alkylation of quinoxalin-2(1<i>H</i>)-ones with <i>N</i>-hydroxyphthalimide esters.
Niu, Kaikai; Song, Lingyun; Hao, Yanke; Liu, Yuxiu; Wang, Qingmin; Chemical communications (Cambridge, England) 56 (2020) 11673–11676; doi:10.1039/d0cc05391k

data_7127130
_publ_section_title
;
 Electrochemical decarboxylative C3 alkylation of
 quinoxalin-2(1<i>H</i>)-ones with <i>N</i>-hydroxyphthalimide esters.
;
_journal_issue                   78
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              11673
_journal_page_last               11676
_journal_paper_doi               10.1039/d0cc05391k
_journal_volume                  56
_journal_year                    2020
_chemical_formula_moiety         'C15 H18 N2 O'
_chemical_formula_sum            'C15 H18 N2 O'
_chemical_formula_weight         242.31
_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   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-06-13
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-06-15 deposited with the CCDC.	2020-08-27 downloaded from the CCDC.
;
_cell_angle_alpha                86.151(6)
_cell_angle_beta                 70.363(7)
_cell_angle_gamma                65.045(8)
_cell_formula_units_Z            4
_cell_length_a                   10.3988(9)
_cell_length_b                   11.9760(9)
_cell_length_c                   12.1316(8)
_cell_measurement_reflns_used    10170
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      32.8940
_cell_measurement_theta_min      1.9170
_cell_volume                     1285.2(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       CrystalClear(Rigaku,2008)
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_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_temperature      113.15
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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   -115.00  65.00   2.00    3.00    --  -25.00  45.00   0.00   90
  2  \w   -115.00  65.00   2.00    3.00    --  -25.00  45.00  90.00   90
  3  \w   -115.00  65.00   2.00    3.00    --  -25.00  45.00 180.00   90
;
_diffrn_measurement_device       'abstract diffractometer'
_diffrn_measurement_device_type  'Rigaku Saturn 70 CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0670819000
_diffrn_orient_matrix_UB_12      -0.0086324000
_diffrn_orient_matrix_UB_13      0.0245744000
_diffrn_orient_matrix_UB_21      0.0409498000
_diffrn_orient_matrix_UB_22      -0.0634958000
_diffrn_orient_matrix_UB_23      -0.0206850000
_diffrn_orient_matrix_UB_31      0.0149707000
_diffrn_orient_matrix_UB_32      -0.0139326000
_diffrn_orient_matrix_UB_33      0.0533997000
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0265
_diffrn_reflns_av_unetI/netI     0.0300
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13407
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.367
_diffrn_reflns_theta_min         1.789
_diffrn_source                   'rotating anode'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.72389
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.252
_exptl_crystal_description       block
_exptl_crystal_F_000             520
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.627
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     327
_refine_ls_number_reflns         5209
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0521
_refine_ls_R_factor_gt           0.0433
_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^)+(0.0624P)^2^+0.3111P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1099
_refine_ls_wR_factor_ref         0.1162
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4389
_reflns_number_total             5209
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0cc05391k2.cif
_cod_data_source_block           r20200612d
_cod_depositor_comments          'Adding full bibliography for 7127130.cif.'
_cod_original_cell_volume        1285.17(19)
_cod_database_code               7127130
_shelx_shelxl_version_number     2018/3
_chemical_oxdiff_formula         'C11 H10 N O'
_shelx_estimated_absorpt_t_max   0.987
_shelx_estimated_absorpt_t_min   0.984
_reflns_odcompleteness_completeness 99.67
_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
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C10(H10), C25(H25)
2.b Secondary CH2 refined with riding coordinates:
 C11(H11A,H11B), C12(H12A,H12B), C13(H13A,H13B), C14(H14A,H14B), C15(H15A,
 H15B), C26(H26A,H26B), C27(H27A,H27B), C28(H28A,H28B), C29(H29A,H29B),
 C30(H30A,H30B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C17(H17), C18(H18), C19(H19), C20(H20)
2.d Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C24(H24A,H24B,H24C)
;
_shelx_res_checksum              89313
_shelx_hkl_checksum              2031
_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
- Detector area scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.370
_oxdiff_exptl_absorpt_empirical_full_min 0.705