Cu(I)-Catalyzed Synthesis of Dihydropyrimidin-4-ones toward the Preparation of β- and β(3)-Amino Acid Analogues.
Rajagopal, Basker; Chen, Ying-Yu; Chen, Chun-Chi; Liu, Xuan-Yu; Wang, Huei-Ren; Lin, Po-Chiao; The Journal of organic chemistry 79 (2014) 1254–; doi:10.1021/jo402670d

data_4029040
_publ_section_title
;
 Cu(I)-Catalyzed Synthesis of Dihydropyrimidin-4-ones toward the
 Preparation of \b- and \b(3)-Amino Acid Analogues.
;
_journal_issue                   3
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1254
_journal_paper_doi               10.1021/jo402670d
_journal_volume                  79
_journal_year                    2014
_chemical_formula_moiety         'C17 H16 N2 O3 S'
_chemical_formula_sum            'C17 H16 N2 O3 S'
_chemical_formula_weight         328.38
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.966(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.4726(8)
_cell_length_b                   6.8537(6)
_cell_length_c                   21.8810(16)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     1551.3(2)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.968
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0426
_diffrn_reflns_av_sigmaI/netI    0.0617
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            7044
_diffrn_reflns_theta_full        25.04
_diffrn_reflns_theta_max         25.04
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.225
_exptl_absorpt_correction_T_max  0.9563
_exptl_absorpt_correction_T_min  0.9172
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             688
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.242
_refine_diff_density_min         -0.429
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2662
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0462
_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^)+(0.0573P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1034
_refine_ls_wR_factor_ref         0.1155
_reflns_number_gt                1939
_reflns_number_total             2662
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo402670d_si_002.cif
_cod_data_source_block           a15440
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4029040