Thiourea participation in [3+2] cycloaddition with donor-acceptor cyclopropanes: a domino process to 2-amino-dihydrothiophenes.
Xie, Ming-Sheng; Zhao, Guo-Feng; Qin, Tao; Suo, Yong-Bo; Qu, Gui-Rong; Guo, Hai-Ming; Chemical communications (Cambridge, England) 55 (2019) 1580–1583; doi:10.1039/c8cc09595g

data_7125358
_publ_section_title
;
 Thiourea participation in [3+2] cycloaddition with donor-acceptor
 cyclopropanes: a domino process to 2-amino-dihydrothiophenes.
;
_journal_issue                   11
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1580
_journal_page_last               1583
_journal_paper_doi               10.1039/c8cc09595g
_journal_volume                  55
_journal_year                    2019
_chemical_absolute_configuration ad
_chemical_formula_sum            'C13 H14 O4'
_chemical_formula_weight         234.24
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-06-28 deposited with the CCDC.
2019-01-07 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.91560(10)
_cell_length_b                   9.8147(2)
_cell_length_c                   15.3289(2)
_cell_measurement_reflns_used    8800
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.8760
_cell_measurement_theta_min      5.8340
_cell_volume                     1190.89(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0507
_diffrn_reflns_av_sigmaI/netI    0.0168
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            33543
_diffrn_reflns_theta_full        72.84
_diffrn_reflns_theta_max         72.84
_diffrn_reflns_theta_min         5.35
_exptl_absorpt_coefficient_mu    0.804
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_density_diffrn    1.306
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.266
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(17)
_refine_ls_extinction_coef       0.0351(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2353
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0315
_refine_ls_R_factor_gt           0.0314
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0585P)^2^+0.2354P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0856
_reflns_number_gt                2345
_reflns_number_total             2353
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8cc09595g2.cif
_cod_data_source_block           syb-yuanliao-r
_cod_database_code               7125358