Rhodium(III)-catalyzed regioselective C2-alkenylation of indoles with CF<sub>3</sub>-imidoyl sulfoxonium ylides to give multi-functionalized enamines using a migratable directing group.
Yang, Zuguang; Tang, Jianhua; Li, Chen; Chen, Zhengkai; Wu, Xiao-Feng; Chemical communications (Cambridge, England) 59 (2023) 318–321; doi:10.1039/d2cc06127a

data_7131080
_publ_section_title
;
 Rhodium(III)-catalyzed regioselective C2-alkenylation of indoles with
 CF<sub>3</sub>-imidoyl sulfoxonium ylides to give multi-functionalized
 enamines using a migratable directing group.
;
_journal_issue                   3
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              318
_journal_page_last               321
_journal_paper_doi               10.1039/d2cc06127a
_journal_volume                  59
_journal_year                    2023
_chemical_formula_sum            'C21 H15 F3 N4'
_chemical_formula_weight         380.37
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2022-11-04 deposited with the CCDC.	2022-12-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_angle_gamma                90
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_cell_length_c                   22.159(11)
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.19
_cell_measurement_theta_min      2.43
_cell_volume                     3754(3)
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
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_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_av_unetI/netI     0.1000
_diffrn_reflns_Laue_measured_fraction_full 1.000
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_diffrn_reflns_limit_h_max       26
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_diffrn_reflns_point_group_measured_fraction_full 1.000
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_exptl_absorpt_coefficient_mu    0.103
_exptl_crystal_colour            colourless
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_exptl_crystal_description       block
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.190
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.060
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_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^)+(0.0500P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1273
_refine_ls_wR_factor_ref         0.1663
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2944
_reflns_number_total             6812
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc06127a2.cif
_cod_data_source_block           3a_a
_cod_depositor_comments          'Adding full bibliography for 7131080.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7131080
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.981
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_shelx_res_checksum              25409
_shelx_hkl_checksum              58246