Transition-metal-free radical cleavage of a hydrazonyl N–S bond: tosyl radical-initiated cascade C(sp3)–OAr cleavage, sulfonyl rearrangement and atropisomeric cyclopropanation
Chen, Yao-Zhong; Liu, Teng; Zhu, Jie; Zhang, Hui; Wu, Lei; Organic Chemistry Frontiers 5 (2018) 3567–; doi:10.1039/C8QO00873F

data_1554434
_publ_section_title
;
 Transition-metal-free radical cleavage of a hydrazonyl N--S bond: tosyl
 radical-initiated cascade C(sp3)--OAr cleavage, sulfonyl rearrangement
 and atropisomeric cyclopropanation
;
_journal_issue                   24
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              3567
_journal_paper_doi               10.1039/C8QO00873F
_journal_volume                  5
_journal_year                    2018
_chemical_formula_moiety         'C37 H35 O3 P S'
_chemical_formula_sum            'C37 H35 O3 P S'
_chemical_formula_weight         590.68
_chemical_name_systematic
'(E)-(2-methyl-1-(2-methyl-3-tosylprop-1-en-1-yl)-2-(naphthalen-2-yl)cyclopropyl)diphenylphosphine oxide'
_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
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-09-12 deposited with the CCDC.
2018-11-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.7020(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.3705(6)
_cell_length_b                   13.8788(8)
_cell_length_c                   19.1238(10)
_cell_measurement_reflns_used    9961
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.128
_cell_measurement_theta_min      2.260
_cell_volume                     3144.8(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0423
_diffrn_reflns_av_unetI/netI     0.0411
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            30918
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.509
_diffrn_reflns_theta_min         2.260
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_T_max  0.955
_exptl_absorpt_correction_T_min  0.930
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2003)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_description       Block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.350
_exptl_crystal_size_mid          0.320
_exptl_crystal_size_min          0.280
_refine_diff_density_max         0.238
_refine_diff_density_min         -0.321
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         7092
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0464
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0536P)^2^+0.9790P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1122
_refine_ls_wR_factor_ref         0.1237
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5114
_reflns_number_total             7092
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qo00873f2.cif
_cod_data_source_block           NJAU_CYZ_001
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1554434
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.937
_shelx_estimated_absorpt_t_max   0.949
_shelx_res_checksum              72186
_shelx_hkl_checksum              25378