Gold- and Platinum-Catalyzed Formal Markownikoff's Double Hydroamination of Alkynes: A Rapid Access to Tetrahydroquinazolinones and Angularly-Fused Analogues Thereof
Nitin T. Patil; Rahul D. Kavthe; Vivek S. Raut; Valmik S. Shinde; Balasubramanian Sridhar; Journal of Organic Chemistry 75 (2010) 1277–1280; doi:10.1021/jo902293f

data_4025225
_publ_section_title
;
 Gold- and Platinum-Catalyzed Formal Markownikoff's Double Hydroamination
 of Alkynes: A Rapid Access to Tetrahydroquinazolinones and
 Angularly-Fused Analogues Thereof
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1277
_journal_page_last               1280
_journal_paper_doi               10.1021/jo902293f
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C12 H14 N2 O'
_chemical_formula_sum            'C12 H14 N2 O'
_chemical_formula_weight         202.25
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.908(2)
_cell_angle_beta                 78.661(2)
_cell_angle_gamma                72.122(1)
_cell_formula_units_Z            4
_cell_length_a                   7.0615(6)
_cell_length_b                   10.5166(9)
_cell_length_c                   15.2154(14)
_cell_measurement_reflns_used    4333
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      27.72
_cell_measurement_theta_min      2.42
_cell_volume                     1054.04(16)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL/PC (Sheldrick, 1990)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      294(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area-detector'
_diffrn_measurement_method       '\w scan'
_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  0.0176
_diffrn_reflns_av_sigmaI/netI    0.0200
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            10257
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.37
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.275
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.132
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         3717
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0470
_refine_ls_R_factor_gt           0.0392
_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^+0.1384P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1046
_refine_ls_wR_factor_ref         0.1112
_reflns_number_gt                3065
_reflns_number_total             3717
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo902293f_si_001.cif
_cod_data_source_block           af91m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025225