Platinum-Catalyzed Michael Addition and Cyclization of Tertiary Amines with Nitroolefins by Dehydrogenation of α,β-sp3C-H Bonds
Xiao-Feng Xia; Xing-Zhong Shu; Ke-Gong Ji; Yan-Fang Yang; Ali Shaukat; Xue-Yuan Liu; Yong-Min Liang; Journal of Organic Chemistry 75 (2010) 2893–2902; doi:10.1021/jo100133z

data_4025387
_publ_section_title
;
 Platinum-Catalyzed Michael Addition and Cyclization of Tertiary Amines
 with Nitroolefins by Dehydrogenation of \a,\b-sp3C-H Bonds
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2893
_journal_page_last               2902
_journal_paper_doi               10.1021/jo100133z
_journal_volume                  75
_journal_year                    2010
_chemical_formula_sum            'C26 H26 N2 O3'
_chemical_formula_weight         414.49
_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                84.888(2)
_cell_angle_beta                 80.135(2)
_cell_angle_gamma                82.659(2)
_cell_formula_units_Z            2
_cell_length_a                   8.9828(9)
_cell_length_b                   10.4604(10)
_cell_length_c                   12.0419(11)
_cell_measurement_reflns_used    1258
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.42
_cell_measurement_theta_min      2.52
_cell_volume                     1103.01(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0186
_diffrn_reflns_av_sigmaI/netI    0.0404
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6011
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.9838
_exptl_absorpt_correction_T_min  0.9766
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             440
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.183
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.025(4)
_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   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         4067
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0813
_refine_ls_R_factor_gt           0.0490
_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^)+(0.0699P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1218
_refine_ls_wR_factor_ref         0.1435
_reflns_number_gt                2617
_reflns_number_total             4067
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo100133z_si_002.cif
_cod_data_source_block           p-1
_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_original_cell_volume        1103.02(18)
_cod_database_code               4025387