Thermal-mediated [1,3]-hydrogen transfer as the key step: access to oxindole-chromone hybrid collection with structural diversity
Gong, Ying; Xu, Sheng-Wen; Liu, Xiong-Wei; Li, Zheng; Liu, Xiong-Li; Yao, Zhen; Zhou, Ying; Organic & Biomolecular Chemistry  (2019) –; doi:10.1039/C9OB02193K

data_7157170
_publ_section_title
;
 Thermal-mediated [1,3]-hydrogen transfer as the key step: access to
 oxindole-chromone hybrid collection with structural diversity
;
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_paper_doi               10.1039/C9OB02193K
_journal_year                    2019
_chemical_formula_moiety         'C20 H17 N O4'
_chemical_formula_sum            'C20 H17 N O4'
_chemical_formula_weight         335.35
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-11-07
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-05-16 deposited with the CCDC.    2019-10-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.690(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.0065(5)
_cell_length_b                   11.3472(6)
_cell_length_c                   15.5009(9)
_cell_measurement_reflns_used    4221
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      28.9360
_cell_measurement_theta_min      3.6920
_cell_volume                     1556.68(15)
_computing_cell_refinement       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.43f (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.43f (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      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.2684
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.885
_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    -40.00  60.00   1.00    2.00    --  -11.59  57.00-120.00  100
  2  \w     42.00  68.00   1.00    2.00    --   11.74 178.00  90.00   26
  3  \w    -83.00  11.00   1.00    2.00    --  -11.59 -57.00  90.00   94
  4  \w    -74.00   7.00   1.00    2.00    --  -11.59 -77.00 -30.00   81
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0547180000
_diffrn_orient_matrix_UB_12      -0.0312053000
_diffrn_orient_matrix_UB_13      0.0302810000
_diffrn_orient_matrix_UB_21      -0.0522828000
_diffrn_orient_matrix_UB_22      -0.0466283000
_diffrn_orient_matrix_UB_23      0.0006207000
_diffrn_orient_matrix_UB_31      0.0264139000
_diffrn_orient_matrix_UB_32      -0.0275904000
_diffrn_orient_matrix_UB_33      -0.0353432000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0434
_diffrn_reflns_av_unetI/netI     0.0508
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.885
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11973
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.885
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.511
_diffrn_reflns_theta_min         3.384
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.06173
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43f (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    1.431
_exptl_crystal_description       block
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.343
_refine_diff_density_min         -0.299
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         3851
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0647
_refine_ls_R_factor_gt           0.0484
_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^)+(0.0469P)^2^+0.6187P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1097
_refine_ls_wR_factor_ref         0.1208
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3028
_reflns_number_total             3851
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ob02193k2.cif
_cod_data_source_block           my-4
_cod_database_code               7157170
_shelx_shelxl_version_number     2017/1
_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, All O(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C20(H20A,H20B)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C14(H14), C9(H9), C17(H17), C2(H2), C16(H16), C4(H4), C3(H3A)
2.c Idealised Me refined as rotating group:
 C19(H19A,H19B,H19C), C18(H18A,H18B,H18C)
2.d Idealised tetrahedral OH refined as rotating group:
 O3(H3)
;
_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 10.460
_oxdiff_exptl_absorpt_empirical_full_min 0.506