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_7157912
_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         'C10 H16 N3 O 1+, Cl 1-, C2 H6 O'
_chemical_formula_sum            'C12 H22 Cl N3 O2'
_chemical_formula_weight         275.77
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_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-02-03 deposited with the CCDC.	2021-03-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.4436(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.96920(10)
_cell_length_b                   18.2082(2)
_cell_length_c                   9.20580(10)
_cell_measurement_reflns_used    3540
_cell_measurement_temperature    170.0(1)
_cell_measurement_theta_max      27.878
_cell_measurement_theta_min      0.407
_cell_volume                     1441.93(3)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor, 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor, 1997)'
_computing_publication_material
'OLEX2 (Dolomanov et al., 2009) & WinGX (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2015)'
_diffrn_ambient_temperature      170.0(1)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD with APEXII detector'
_diffrn_measurement_method       '\f scans + \w scans'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0579
_diffrn_reflns_av_unetI/netI     0.0354
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            27245
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.250
_diffrn_reflns_theta_max         28.037
_diffrn_reflns_theta_min         2.564
_exptl_absorpt_coefficient_mu    0.265
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5125
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2008 (Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             592
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: ethanol'
_exptl_crystal_size_max          0.720
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         3461
_refine_ls_number_restraints     69
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0485
_refine_ls_R_factor_gt           0.0400
_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^)+(0.0337P)^2^+0.7093P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0936
_refine_ls_wR_factor_ref         0.0977
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2973
_reflns_number_total             3461
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ob00235j3.cif
_cod_data_source_block           8d_170K
_cod_depositor_comments
'Adding full bibliography for 7157911--7157921.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7157912
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.832
_shelx_estimated_absorpt_t_max   0.966
_shelx_res_checksum              22497