Amidino substituted 2-aminophenols: biologically important building blocks for the amidino-functionalization of 2-substituted benzoxazoles.
Ptiček, Lucija; Hok, Lucija; Grbčić, Petra; Topić, Filip; Cetina, Mario; Rissanen, Kari; Pavelić, Sandra Kraljević; Vianello, Robert; Racané, Livio; Organic & biomolecular chemistry 19 (2021) 2784–2793; doi:10.1039/d1ob00235j

data_7157913
_publ_section_title
;
 Amidino substituted 2-aminophenols: biologically important building
 blocks for the amidino-functionalization of 2-substituted benzoxazoles.
;
_journal_issue                   12
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2784
_journal_page_last               2793
_journal_paper_doi               10.1039/d1ob00235j
_journal_volume                  19
_journal_year                    2021
_chemical_formula_moiety         'C18 H23 N6 O2 1+, Cl 1-, 4(H2 O)'
_chemical_formula_sum            'C18 H31 Cl N6 O6'
_chemical_formula_weight         462.94
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
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_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2021-02-03 deposited with the CCDC.	2021-03-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.6637(17)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.1831(3)
_cell_length_b                   7.18245(12)
_cell_length_c                   30.4640(5)
_cell_measurement_reflns_used    4521
_cell_measurement_temperature    123.0(1)
_cell_measurement_theta_max      74.1660
_cell_measurement_theta_min      4.7960
_cell_volume                     4308.76(12)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
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_computing_data_collection
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
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_computing_data_reduction
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
;
_computing_publication_material
'OLEX2 (Dolomanov et al., 2009) & WinGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2015)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      123.0(1)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.1977
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.952
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0170
_diffrn_reflns_av_unetI/netI     0.0199
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.952
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            7054
_diffrn_reflns_point_group_measured_fraction_full 0.988
_diffrn_reflns_point_group_measured_fraction_max 0.952
_diffrn_reflns_theta_full        67.750
_diffrn_reflns_theta_max         74.334
_diffrn_reflns_theta_min         4.813
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.994
_exptl_absorpt_correction_T_max  0.915
_exptl_absorpt_correction_T_min  0.728
_exptl_absorpt_correction_type   analytical
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CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
 (compiled Feb  1 2013,16:14:44)
Analytical numeric absorption correction using a multifaceted crystal
 model based on expressions derived by R.C. Clark & J.S. Reid.
 (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.427
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1968
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: ethanol'
_exptl_crystal_size_max          0.313
_exptl_crystal_size_mid          0.069
_exptl_crystal_size_min          0.046
_refine_diff_density_max         1.240
_refine_diff_density_min         -0.681
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     301
_refine_ls_number_reflns         4185
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0664
_refine_ls_R_factor_gt           0.0620
_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^)+(0.1151P)^2^+6.8009P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1830
_refine_ls_wR_factor_ref         0.1899
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3694
_reflns_number_total             4185
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ob00235j3.cif
_cod_data_source_block           8b_123K
_cod_depositor_comments
'Adding full bibliography for 7157911--7157921.cif.'
_cod_original_sg_symbol_H-M      'I 2/a'
_cod_database_code               7157913
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.574
_shelx_estimated_absorpt_t_max   0.914
_shelx_res_checksum              24598