The N-Acyloxyiminium Ion Aza-Prins Route to Octahydroindoles: Total Synthesis and Structural Confirmation of the Antithrombotic Marine Natural Product Oscillarin
Stephen Hanessian; Martin Tremblay; Jens F. W. Petersen; Journal of the American Chemical Society 126 (2004) 6064–6071; doi:10.1021/ja030669g

data_4112551
_publ_contact_author_address
;
      Universit\'e de Montr\'eal
      D\'epartement de Chimie
      C.P. 6128, Succ. Centre-ville
      Montr\'eal, Qu\'ebec
      Canada, H3C 3J7
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_publ_contact_author_email       stephen.hanessian@umontreal.ca
_publ_contact_author_fax         '+1 514 343 5728'
_publ_contact_author_name        'Dr Stephen Hanessian'
_publ_contact_author_phone       '+1 514 343 6738'
_publ_section_title
;
 The N-Acyloxyiminium Ion Aza-Prins Route to Octahydroindoles: Total
 Synthesis and Structural Confirmation of the Antithrombotic Marine
 Natural Product Oscillarin
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6064
_journal_page_last               6071
_journal_paper_doi               10.1021/ja030669g
_journal_volume                  126
_journal_year                    2004
_chemical_absolute_configuration rmad
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C18 H30 Cl N O4'
_chemical_formula_sum            'C18 H30 Cl N O4'
_chemical_formula_weight         359.88
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.335(3)
_cell_length_b                   9.404(2)
_cell_length_c                   34.399(9)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      20.00
_cell_volume                     2049.3(12)
_computing_cell_refinement       'CAD4 Program (Nonius 1989)'
_computing_data_collection       'Local Program'
_computing_data_reduction        'Local Program'
_computing_molecular_graphics    'XP (Bruker, 1999)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.0
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Sealed Tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.052
_diffrn_reflns_av_sigmaI/netI    0.0630
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            3830
_diffrn_reflns_theta_full        69.98
_diffrn_reflns_theta_max         69.98
_diffrn_reflns_theta_min         2.57
_diffrn_standards_decay_%        0.04
_diffrn_standards_interval_time  60
_diffrn_standards_number         5
_exptl_absorpt_coefficient_mu    1.809
_exptl_absorpt_correction_T_max  0.7700
_exptl_absorpt_correction_T_min  0.5700
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details   'gaussian from crystal shape'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.166
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.91
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.146
_refine_diff_density_min         -0.167
_refine_diff_density_rms         0.039
_refine_ls_abs_structure_details 'Flack H D (1983), 1551 Friedel pairs'
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_coef       0.0023(2)
_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   0.725
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         3830
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.725
_refine_ls_R_factor_all          0.0769
_refine_ls_R_factor_gt           0.0438
_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^)+(0.0522P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0986
_refine_ls_wR_factor_ref         0.1102
_reflns_number_gt                1780
_reflns_number_total             3830
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja030669g_3.cif
_cod_data_source_block           han338
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4112551