Guanylation/Cyclisation of Amino Acid Esters using Imidazolin-2-iminato Titanium Initiator
Panda, Tarun Kanti Kanti; Das, Suman; Bhattacharjee, Jayeeta; Dalton Transactions  (2019) –; doi:10.1039/C8DT04630A

data_7048627
_publ_section_title
;
 Guanylation/Cyclisation of Amino Acid Esters using Imidazolin-2-iminato
 Titanium Initiator
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/C8DT04630A
_journal_year                    2019
_chemical_formula_moiety         'C36 H64 N8 Ti, C12 H19 N'
_chemical_formula_sum            'C48 H83 N9 Ti'
_chemical_formula_weight         834.10
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2018-12-31 deposited with the CCDC.
2019-01-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 122.401(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   32.9866(10)
_cell_length_b                   10.4591(2)
_cell_length_c                   34.4041(10)
_cell_measurement_reflns_used    11154
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      71.5592
_cell_measurement_theta_min      3.0384
_cell_volume                     10021.9(6)
_computing_cell_refinement
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011CrysAlis171 .NET)(compiled Oct 27'
_computing_data_collection
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011CrysAlis171 .NET)(compiled Oct 27'
_computing_data_reduction
'CrysAlisPro, Agilent Technologies,Version 1.171.35.19 (release 27-10-2011CrysAlis171 .NET)(compiled Oct 27'
_computing_molecular_graphics    'ORTEP III & Olex 2.1'
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0297
_diffrn_reflns_av_unetI/netI     0.0340
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.973
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            22209
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.955
_diffrn_reflns_theta_min         1.402
_diffrn_source                   'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.211
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.90125
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'CrysAlisPro, Agilent Technologies, Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)(compiled Oct 27 2011,15:02:11) Empirical absorption correction using spherical harmonics,implemented in SCALE3 ABSPACK scaling algorithm.'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.106
_exptl_crystal_description       needle
_exptl_crystal_F_000             3648
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.537
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     563
_refine_ls_number_reflns         9540
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0564
_refine_ls_R_factor_gt           0.0494
_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^)+(0.0784P)^2^+7.7671P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1361
_refine_ls_wR_factor_ref         0.1429
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8319
_reflns_number_total             9540
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt04630a2.cif
_cod_data_source_block           3a
_cod_database_code               7048627
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              9523