Construction of isoxazolone-fused phenanthridines <i>via</i> Rh-catalyzed cascade C-H activation/cyclization of 3-arylisoxazolones with cyclic 2-diazo-1,3-diketones.
Hu, Wangcheng; He, Xinwei; Zhou, Tongtong; Zuo, Youpeng; Zhang, Shiwen; Yang, Tingting; Shang, Yongjia; Organic & biomolecular chemistry 19 (2021) 552–556; doi:10.1039/d0ob02310h

data_7157825
_publ_section_title
;
 Construction of isoxazolone-fused phenanthridines <i>via</i> Rh-catalyzed
 cascade C-H activation/cyclization of 3-arylisoxazolones with cyclic
 2-diazo-1,3-diketones.
;
_journal_issue                   3
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              552
_journal_page_last               556
_journal_paper_doi               10.1039/d0ob02310h
_journal_volume                  19
_journal_year                    2021
_chemical_formula_moiety         'C17 H15 N O3'
_chemical_formula_sum            'C17 H15 N O3'
_chemical_formula_weight         281.30
_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             2019-05-21
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2020-11-19 deposited with the CCDC.	2020-12-18 downloaded from the CCDC.
;
_cell_angle_alpha                71.977(4)
_cell_angle_beta                 78.405(4)
_cell_angle_gamma                83.669(4)
_cell_formula_units_Z            2
_cell_length_a                   5.6716(5)
_cell_length_b                   11.2488(11)
_cell_length_c                   11.2777(10)
_cell_measurement_reflns_used    7722
_cell_measurement_temperature    293.15
_cell_measurement_theta_max      27.520
_cell_measurement_theta_min      3.672
_cell_volume                     669.34(11)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_collection       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 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_temperature      293.15
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0308
_diffrn_reflns_av_unetI/netI     0.0195
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            20030
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.562
_diffrn_reflns_theta_min         3.672
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.096
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7028
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0596 before and 0.0464 after correction. The Ratio of minimum to maximum transmission is 0.9426. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.396
_exptl_crystal_description       block
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.171
_refine_diff_density_rms         0.036
_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     192
_refine_ls_number_reflns         3082
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0588
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0551P)^2^+0.1471P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1052
_refine_ls_wR_factor_ref         0.1145
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2398
_reflns_number_total             3082
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ob02310h2.cif
_cod_data_source_block           20190520a
_cod_depositor_comments          'Adding full bibliography for 7157825.cif.'
_cod_database_code               7157825
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.981
_shelx_estimated_absorpt_t_min   0.978
_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 Secondary CH2 refined with riding coordinates:
 C12(H12A,H12B), C14(H14A,H14B)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C5(H5), C6(H6), C7(H7), C8(H8)
2.c Idealised Me refined as rotating group:
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C)
;
_shelx_res_checksum              5414
_shelx_hkl_checksum              51044
_olex2_submission_special_instructions 'No special instructions were received'