2-Aminopyrrolyl Dilithium Compounds: Synthesis, Structural Diversity, and Catalytic Activity for Amidation of Aldehydes with Amines
Guo, Zhiqiang; Liu, Qiao; Wei, Xuehong; Zhang, Yongbin; Tong, Hongbo; Chao, Jianbin; Guo, Jianping; Liu, Diansheng; Organometallics 32 (2013) 4677–; doi:10.1021/om4006609

data_4081384
_publ_section_title
;
 2-Aminopyrrolyl Dilithium Compounds: Synthesis, Structural Diversity, and
 Catalytic Activity for Amidation of Aldehydes with Amines
;
_journal_issue                   16
_journal_name_full               Organometallics
_journal_page_first              4677
_journal_paper_doi               10.1021/om4006609
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C26 H52 Li4 N8'
_chemical_formula_weight         504.52
_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                 104.494(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.678(4)
_cell_length_b                   19.191(7)
_cell_length_c                   18.617(7)
_cell_measurement_temperature    200(2)
_cell_volume                     3348(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1227
_diffrn_reflns_av_sigmaI/netI    0.1445
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17790
_diffrn_reflns_theta_full        24.50
_diffrn_reflns_theta_max         24.50
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    0.059
_exptl_absorpt_correction_T_max  0.9818
_exptl_absorpt_correction_T_min  0.9795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.001
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1104
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.31
_refine_diff_density_max         0.293
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.972
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         5569
_refine_ls_number_restraints     37
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.2396
_refine_ls_R_factor_gt           0.0743
_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^)+(0.1093P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1855
_refine_ls_wR_factor_ref         0.2712
_reflns_number_gt                1796
_reflns_number_total             5569
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om4006609_si_002.cif
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4081384