Facile Preparation of a Highly Functionalized Tetrahydropyran by Catalytic Hydrogenation of an Oxazoline
Dusan Hesek; Mijoon Lee; Takao Yamaguchi; Bruce C. Noll; Shahriar Mobashery; Journal of Organic Chemistry 73 (2008) 7349–7352; doi:10.1021/jo801037z

data_4023672
_publ_contact_author_address
;University of Notre Dame
Department of Chemistry and Biochemistry
251 Nieuwland Science Hall
Notre Dame, IN 46556-5670
USA
;
_publ_contact_author_email       mobashery@nd.edu
_publ_contact_author_fax         1(574)6316652
_publ_contact_author_name        'Professor Shahriar Mobashery'
_publ_contact_author_phone       1(574)6312933
_publ_section_title
;
 Facile Preparation of a Highly Functionalized Tetrahydropyran
 by Catalytic Hydrogenation of an Oxazoline
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7349
_journal_page_last               7352
_journal_paper_doi               10.1021/jo801037z
_journal_volume                  73
_journal_year                    2008
_chemical_absolute_configuration ad
_chemical_compound_source        synthesized
_chemical_formula_moiety         'C17 H21 N O6'
_chemical_formula_sum            'C17 H21 N O6'
_chemical_formula_weight         335.35
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      4
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 92.166(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.7630(4)
_cell_length_b                   4.9097(2)
_cell_length_c                   16.0598(7)
_cell_measurement_reflns_used    3619
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      69.0596
_cell_measurement_theta_min      4.1104
_cell_volume                     848.04(6)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2007; Sheldrick, 2008)'
_computing_molecular_graphics    'XP (Sheldrick, 2008)'
_computing_publication_material  'XCIF (Sheldrick, 2008)/enCIFer (CCDC, 2005)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Bruker SMART Apex CCD diffractometer'
_diffrn_measurement_method       '\f and \w scns'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0354
_diffrn_reflns_av_sigmaI/netI    0.0364
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            9644
_diffrn_reflns_theta_full        69.49
_diffrn_reflns_theta_max         69.49
_diffrn_reflns_theta_min         4.11
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Siemens KFFCU2K-90'
_exptl_absorpt_coefficient_mu    0.835
_exptl_absorpt_correction_T_max  0.9340
_exptl_absorpt_correction_T_min  0.7207
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Sheldrick, G. M. (2007). SADABS. University of G\"ottingen, Germany.'
_exptl_crystal_colour            'clear colorless'
_exptl_crystal_density_diffrn    1.313
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             356
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.319
_refine_diff_density_min         -0.211
_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   0.0(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         2587
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0380
_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^)+(0.0601P)^2^+0.1229P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1021
_reflns_number_gt                2378
_reflns_number_total             2587
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo801037z_si_001.cif
_cod_data_source_block           compound_8f
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4023672