Palladium-Catalyzed Regioselective C−H Alkynylation of Indoles with Haloalkynes: Access to Functionalized 7-Alkynylindoles
Wu, Wanqing; Fang, Songjia; Jiang, Guangbin; Li, Meng; Liu, Zhenying; Jiang, Huanfeng; Chemical Communications  (2019) –; doi:10.1039/C9CC07263B

data_7124373
_publ_section_title
;
 Palladium-Catalyzed Regioselective C&#x2212;H Alkynylation of Indoles
 with Haloalkynes: Access to Functionalized 7-Alkynylindoles
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC07263B
_journal_year                    2019
_chemical_formula_moiety         'C27 H43 F N O P Si'
_chemical_formula_sum            'C27 H43 F N O P Si'
_chemical_formula_weight         475.68
_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             2018-10-18
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-05-10 deposited with the CCDC.    2019-10-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.814(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.936(3)
_cell_length_b                   10.888(2)
_cell_length_c                   22.186(5)
_cell_measurement_reflns_used    9477
_cell_measurement_temperature    220
_cell_measurement_theta_max      70.06
_cell_measurement_theta_min      3.59
_cell_volume                     2868.4(11)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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      220.0
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.1142
_diffrn_reflns_av_unetI/netI     0.1418
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            15016
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.007
_diffrn_reflns_theta_max         25.007
_diffrn_reflns_theta_min         1.715
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.162
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6591
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0896 before and 0.0745 after correction. The Ratio of minimum to maximum transmission is 0.8842. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.102
_exptl_crystal_description       block
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.289
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.903
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         5049
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.903
_refine_ls_R_factor_all          0.1315
_refine_ls_R_factor_gt           0.0633
_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^)+(0.0483P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1297
_refine_ls_wR_factor_ref         0.1558
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2670
_reflns_number_total             5049
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc07263b2.cif
_cod_data_source_block           mo_20180983-fsj-1_0m
_cod_original_cell_volume        2868.4(10)
_cod_database_code               7124373
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.981
_shelx_estimated_absorpt_t_min   0.970
_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 Ternary CH refined with riding coordinates:
 C11(H11), C14(H14), C17(H17)
2.b Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C6(H6)
2.c Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C13(H13A,H13B,H13C), C15(H15A,H15B,H15C), C16(H16A,H16B,
 H16C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C22(H22A,
 H22B,H22C), C23(H23A,H23B,H23C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C),
 C27(H27A,H27B,H27C)
;
_olex2_submission_special_instructions 'No special instructions were received'