Synthesis of 2,3-Benzodiazepines via Rh(III)-Catalyzed C-H Functionalization of N-Boc Hydrazones with Diazoketoesters.
Wang, Jie; Wang, Lili; Guo, Shan; Zha, Shanke; Zhu, Jin; Organic letters 19 (2017) 3640–3643; doi:10.1021/acs.orglett.7b01642

data_1556064
_publ_section_title
;
 Synthesis of 2,3-Benzodiazepines via Rh(III)-Catalyzed C-H
 Functionalization of N-Boc Hydrazones with Diazoketoesters.
;
_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              3640
_journal_page_last               3643
_journal_paper_doi               10.1021/acs.orglett.7b01642
_journal_volume                  19
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C16 H20 N2 O2'
_chemical_formula_sum            'C16 H20 N2 O2'
_chemical_formula_weight         272.34
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 93.14(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.6959(17)
_cell_length_b                   9.773(2)
_cell_length_c                   8.8762(18)
_cell_measurement_reflns_used    6186
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      68.24
_cell_measurement_theta_min      4.52
_cell_volume                     753.2(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 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0238
_diffrn_reflns_av_sigmaI/netI    0.0260
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            7275
_diffrn_reflns_theta_full        68.24
_diffrn_reflns_theta_max         68.24
_diffrn_reflns_theta_min         5.09
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.639
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.5897
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.201
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             292
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.125
_refine_diff_density_min         -0.119
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.25(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2718
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0291
_refine_ls_R_factor_gt           0.0281
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0430P)^2^+0.0839P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0729
_refine_ls_wR_factor_ref         0.0739
_reflns_number_gt                2645
_reflns_number_total             2718
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol7b01642_si_002.cif
_cod_data_source_block           3da
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1556064