Synthesis of 2-Substituted-5-halo-2,3-dihydro-4(H)-pyrimidin-4-ones and Their Derivatization Utilizing the Sonogashira Coupling Reaction in the Enantioselective Synthesis of α-Substituted β-Amino Acids
Blanca R. Díaz-Sánchez; Martín A. Iglesias-Arteaga; Roberto Melgar-Fernández; Eusebio Juaristi; Journal of Organic Chemistry 72 (2007) 4822–4825; doi:10.1021/jo0705115

data_4023952
_publ_contact_author_address
;     Departamento de Qu\'imica
      Centro de Investigaci\'on y de Estudios Avanzados
      Instituto Polit\'ecnico Nacional
      Apartado Postal 14-740      
      07000 M\'exico D.F.
      Mexico
;
_publ_contact_author_email       juaristi@relaq.mx
_publ_contact_author_fax         (+52)(55)57477132
_publ_contact_author_name        'Eusebio Juaristi'
_publ_contact_author_phone       (+52)(55)50613722
_publ_section_title
;
 Synthesis of 2-Substituted-5-halo-2,3-dihydro-4(H)-pyrimidin-4-ones
 and Their Derivatization Utilizing the Sonogashira Coupling Reaction
 in the Enantioselective Synthesis of \a-Substituted
 \b-Amino Acids
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4822
_journal_page_last               4825
_journal_paper_doi               10.1021/jo0705115
_journal_volume                  72
_journal_year                    2007
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C17 H14 N2 O2'
_chemical_formula_sum            'C17 H14 N2 O2'
_chemical_formula_weight         278.30
_chemical_melting_point          467
_chemical_name_systematic
;
1-Benzoyl-2(S)-phenyl-2,3-dihydro-4(H)-pyrimidin-4-one
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_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_date             2004-12-08
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.9953(2)
_cell_length_b                   11.2264(3)
_cell_length_c                   31.0421(11)
_cell_measurement_reflns_used    3216
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.878
_cell_measurement_theta_min      3.395
_cell_volume                     2786.29(14)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction        'HKL Denzo (Otwinowski & Minor 1997)'
_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-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.958
_diffrn_measured_fraction_theta_max 0.958
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0582
_diffrn_reflns_av_sigmaI/netI    0.0968
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       40
_diffrn_reflns_limit_l_min       -40
_diffrn_reflns_number            5968
_diffrn_reflns_theta_full        27.86
_diffrn_reflns_theta_max         27.86
_diffrn_reflns_theta_min         3.63
_diffrn_standards_number         5968
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.150
_refine_diff_density_min         -0.163
_refine_diff_density_rms         0.036
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1(10)
_refine_ls_extinction_coef       0.0070(8)
_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   0.983
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     493
_refine_ls_number_reflns         3613
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.983
_refine_ls_R_factor_all          0.1295
_refine_ls_R_factor_gt           0.0444
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0284P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0661
_refine_ls_wR_factor_ref         0.0847
_reflns_number_gt                1895
_reflns_number_total             3613
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0705115si20070313_011453_1.cif
_cod_data_source_block           ejbd04
_cod_database_code               4023952