Reactions of Piperazin-2-one, Morpholin-3-one, and Thiomorpholin-3-one with Triethyl Phosphite Prompted by Phosphoryl Chloride: Scope and Limitations.
Argüello-Velasco, Rubén Oswaldo; Dziuk, Błażej; Zarychta, Bartosz; Ordóñez, Mario; Kafarski, Paweł; ACS omega 4 (2019) 9056–9064; doi:10.1021/acsomega.9b01137

data_4515013
_publ_section_title
;
 Reactions of Piperazin-2-one, Morpholin-3-one, and Thiomorpholin-3-one
 with Triethyl Phosphite Prompted by Phosphoryl Chloride: Scope and
 Limitations.
;
_journal_issue                   5
_journal_name_full               'ACS omega'
_journal_page_first              9056
_journal_page_last               9064
_journal_paper_doi               10.1021/acsomega.9b01137
_journal_volume                  4
_journal_year                    2019
_chemical_formula_sum            'C6 H18 Cl2 N2 O3'
_chemical_formula_weight         237.12
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 109.28(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.112(3)
_cell_length_b                   10.087(3)
_cell_length_c                   12.908(3)
_cell_measurement_reflns_used    7140
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.999
_cell_measurement_theta_min      3.320
_cell_volume                     1242.8(6)
_computing_cell_refinement       'CrysAlisCCD (Oxford Diffraction Ltd., 2008)'
_computing_data_collection       'CrysAlisCCD (Oxford Diffraction Ltd., 2008)'
_computing_data_reduction        'CrysAlisCCD (Oxford Diffraction Ltd., 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean '1024 x 1024 with blocks 2 x 2'
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  Xcalibur
_diffrn_measurement_method       \w--scan
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1106
_diffrn_reflns_av_unetI/netI     0.1481
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7140
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.999
_diffrn_reflns_theta_min         3.320
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.506
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.181
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.645
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2419
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      3.906
_refine_ls_R_factor_all          0.1257
_refine_ls_R_factor_gt           0.0390
_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^)+(0.0234P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0601
_refine_ls_wR_factor_ref         0.0714
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1059
_reflns_number_total             2419
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao9b01137_si_002.cif
_cod_data_source_block           BD198
_cod_database_code               4515013
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              11401
_shelx_hkl_checksum              6573