Flow Rhodaelectro-Catalyzed Alkyne Annulations by Versatile C-H Activation: Mechanistic Support for Rhodium(III/IV).
Kong, Wei-Jun; Finger, Lars H.; Messinis, Antonis M.; Kuniyil, Rositha; Oliveira, João C A; Ackermann, Lutz; Journal of the American Chemical Society 141 (2019) 17198–17206; doi:10.1021/jacs.9b07763

data_4127878
_publ_section_title
;
 Flow Rhodaelectro-Catalyzed Alkyne Annulations by Versatile C-H
 Activation: Mechanistic Support for Rhodium(III/IV).
;
_journal_issue                   43
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              17198
_journal_page_last               17206
_journal_paper_doi               10.1021/jacs.9b07763
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C18 H15 N O3'
_chemical_formula_sum            'C18 H15 N O3'
_chemical_formula_weight         293.31
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-03-22
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 103.068(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.8366(9)
_cell_length_b                   7.2939(5)
_cell_length_c                   18.1455(14)
_cell_measurement_reflns_used    9835
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      30.552
_cell_measurement_theta_min      2.306
_cell_volume                     1397.10(19)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0205
_diffrn_reflns_av_unetI/netI     0.0124
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            24793
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.537
_diffrn_reflns_theta_min         2.304
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.8622
_exptl_absorpt_correction_T_min  0.8168
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1236 before and 0.0443 after correction. The Ratio of minimum to maximum transmission is 0.9473. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.394
_exptl_crystal_description       block
_exptl_crystal_F_000             616
_exptl_crystal_recrystallization_method
'The material was recrystallised from a mixture of hexane and Ethylacetate  by slow evaporation'
_exptl_crystal_size_max          0.557
_exptl_crystal_size_mid          0.395
_exptl_crystal_size_min          0.298
_refine_diff_density_max         0.506
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         4258
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0380
_refine_ls_R_factor_gt           0.0361
_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^)+(0.0571P)^2^+0.5045P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1025
_refine_ls_wR_factor_ref         0.1044
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4009
_reflns_number_total             4258
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b07763_si_003.cif
_cod_data_source_block           0618_cg_0m
_cod_database_code               4127878
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C13(H13), C14(H14), C15(H15),
 C16(H16)
2.b Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C)
;
_shelx_res_checksum              9173
_shelx_hkl_checksum              56747
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems Cryostream 800'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a MITIGEN holder in NVH oil'
_olex2_submission_special_instructions 'No special instructions were received'