Evidence for the formation of a metal alkyl intermediate in the zinc mediated intramolecular hydroamination
Sankaranarayana Pillai Sarish; Dirk Schaffner; Yu Sun; Werner R. Thiel; Chem.Commun. 49 (2013) 9672–; doi:10.1039/c3cc45491f

data_7109860
_publ_section_title
;
 Evidence for the formation of a metal alkyl intermediate in the zinc
 mediated intramolecular hydroamination
;
_journal_name_full               Chem.Commun.
_journal_page_first              9672
_journal_paper_doi               10.1039/c3cc45491f
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C46 H59 N3 Zn'
_chemical_formula_weight         719.33
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 107.309(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.8607(3)
_cell_length_b                   9.6928(1)
_cell_length_c                   19.0631(2)
_cell_measurement_reflns_used    20273
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      62.6380
_cell_measurement_theta_min      4.0070
_cell_volume                     4032.79(8)
_computing_cell_refinement       'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_data_collection       'CrysAlis CCD, Oxford Diffraction Ltd.'
_computing_data_reduction        'CrysAlis RED, Oxford Diffraction Ltd.'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Giacovazzo et al., 1994)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 16.1399
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Enhance Ultra (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0244
_diffrn_reflns_av_sigmaI/netI    0.0155
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            40269
_diffrn_reflns_theta_full        62.74
_diffrn_reflns_theta_max         62.74
_diffrn_reflns_theta_min         4.05
_exptl_absorpt_coefficient_mu    1.089
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.89882
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
(compiled Dec  3 2012,18:21:49)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.185
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent plate'
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.429
_refine_diff_density_min         -0.428
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     501
_refine_ls_number_reflns         6430
_refine_ls_number_restraints     147
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0414
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0418P)^2^+4.1530P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1040
_refine_ls_wR_factor_ref         0.1051
_reflns_number_gt                6171
_reflns_number_total             6430
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3cc45491f.txt
_cod_data_source_block           1323o
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7109860