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_7048625
_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         'C14 H18 Cl N3 O'
_chemical_formula_sum            'C14 H18 Cl N3 O'
_chemical_formula_weight         279.76
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2018-12-31 deposited with the CCDC.
2019-01-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 111.447(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.1264(5)
_cell_length_b                   15.3834(8)
_cell_length_c                   11.2882(5)
_cell_measurement_reflns_used    2221
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      69.5360
_cell_measurement_theta_min      4.1920
_cell_volume                     1475.07(14)
_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-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, Eos'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0275
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5422
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.978
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         70.073
_diffrn_reflns_theta_min         5.098
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    2.260
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.66840
_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            colorless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.312
_refine_diff_density_min         -0.407
_refine_diff_density_rms         0.039
_refine_ls_extinction_coef       0.0076(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   0.996
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2741
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.996
_refine_ls_R_factor_all          0.0592
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0689P)^2^+0.3275P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1235
_refine_ls_wR_factor_ref         0.1382
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2151
_reflns_number_total             2741
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8dt04630a2.cif
_cod_data_source_block           5k
_cod_database_code               7048625
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              58292