A switchable redox annulation of 2-nitroarylethanols affording N-heterocycles: photoexcited nitro as a multifunctional handle
Wang, Bin; Ren, Hongyuan; Cao, Hou-Ji; Lu, Changsheng; Yan, Hong; Chemical Science 13 (2022) 11074–11082; doi:10.1039/D2SC03590A

data_1567549
_publ_section_title
;
 A switchable redox annulation of 2-nitroarylethanols affording
 N-heterocycles: photoexcited nitro as a multifunctional handle
;
_journal_issue                   37
_journal_name_full               'Chemical Science'
_journal_page_first              11074
_journal_page_last               11082
_journal_paper_doi               10.1039/D2SC03590A
_journal_volume                  13
_journal_year                    2022
_chemical_formula_moiety         'C8 H7 N O2'
_chemical_formula_sum            'C8 H7 N O2'
_chemical_formula_weight         149.15
_chemical_name_systematic        1-Hydroxyindolin-2-one
_space_group_crystal_system      orthorhombic
_space_group_IT_number           43
_space_group_name_Hall           'F 2 -2d'
_space_group_name_H-M_alt        'F d d 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-03-31
_audit_creation_method
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_audit_update_record
;
2022-03-31 deposited with the CCDC.	2022-08-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   11.8514(10)
_cell_length_b                   30.185(3)
_cell_length_c                   7.5330(10)
_cell_measurement_reflns_used    1479
_cell_measurement_temperature    193.00
_cell_measurement_theta_max      53.65
_cell_measurement_theta_min      5.10
_cell_volume                     2694.8(5)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      193.00
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0530
_diffrn_reflns_av_unetI/netI     0.0595
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            2527
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         53.950
_diffrn_reflns_theta_min         5.099
_diffrn_source_current           2.86
_diffrn_source_power             0.19937059999999998
_diffrn_source_voltage           69.71
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.569
_exptl_absorpt_correction_T_max  0.7506
_exptl_absorpt_correction_T_min  0.6014
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0937 before and 0.0366 after correction.
The Ratio of minimum to maximum transmission is 0.8012.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            brown
_exptl_crystal_colour_primary    brown
_exptl_crystal_density_diffrn    1.470
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: methanol'
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.136
_refine_diff_density_min         -0.139
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details
;
 Refined as a perfect inversion twin.
;
_refine_ls_abs_structure_Flack   0.5
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.929
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     101
_refine_ls_number_reflns         1151
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.928
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0384
_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^)+(0.0596P)^2^+3.1452P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0902
_refine_ls_wR_factor_ref         0.1027
_reflns_Friedel_coverage         0.852
_reflns_Friedel_fraction_full    0.993
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                1017
_reflns_number_total             1151
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc03590a2.cif
_cod_data_source_block           123
_cod_depositor_comments
'Adding full bibliography for 1567549--1567552.cif.'
_cod_database_code               1567549
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.945
_shelx_estimated_absorpt_t_min   0.885
_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 O(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6)
2.c Idealised tetrahedral OH refined as rotating group:
 O1(H1)
;
_shelx_res_checksum              84303
_olex2_submission_special_instructions 'No special instructions were received'