Raise the anchor! Synthesis, X-ray and NMR characterization of 1,3,5-triazinanes with an axial tert-butyl group.
Kletskov, Alexey V.; Zatykina, Anastasya D.; Grudova, Mariya V.; Sinelshchikova, Anna A.; Grigoriev, Mikhail S.; Zaytsev, Vladimir P.; Gil, Diego M.; Novikov, Roman A.; Zubkov, Fedor I.; Frontera, Antonio; Organic & biomolecular chemistry 18 (2020) 8386–8394; doi:10.1039/d0ob01201g

data_7157653
_publ_section_title
;
 Raise the anchor! Synthesis, X-ray and NMR characterization of
 1,3,5-triazinanes with an axial tert-butyl group.
;
_journal_issue                   41
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              8386
_journal_page_last               8394
_journal_paper_doi               10.1039/d0ob01201g
_journal_volume                  18
_journal_year                    2020
_chemical_formula_sum            'C19 H23 Br2 N3 O4 S2'
_chemical_formula_weight         581.34
_space_group_crystal_system      orthorhombic
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-12-03 deposited with the CCDC.	2020-08-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.1555(7)
_cell_length_b                   24.3132(12)
_cell_length_c                   6.1544(3)
_cell_measurement_reflns_used    3071
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.08
_cell_measurement_theta_min      3.17
_cell_volume                     2267.77(19)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type
'Bruker KAPPA APEX II area-detector diffractometer'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0587
_diffrn_reflns_av_unetI/netI     0.0380
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            18873
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.616
_diffrn_reflns_theta_min         3.947
_exptl_absorpt_coefficient_mu    3.790
_exptl_absorpt_correction_T_max  0.863
_exptl_absorpt_correction_T_min  0.587
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.703
_exptl_crystal_description       plate
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.578
_refine_diff_density_min         -0.614
_refine_diff_density_rms         0.062
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         2670
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0816
_refine_ls_R_factor_gt           0.0417
_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^)+(0.0260P)^2^+2.6827P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0793
_refine_ls_wR_factor_ref         0.0931
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1712
_reflns_number_total             2670
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ob01201g3.cif
_cod_data_source_block           ak117
_cod_depositor_comments
'Adding full bibliography for 7157649--7157656.cif.'
_cod_database_code               7157653
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.253
_shelx_estimated_absorpt_t_max   0.863
_shelx_res_checksum              61699