Synthesis of azoxabicyclo[3.3.1]nonanones based on diastereoselective reactions of 1,1-bis(trimethylsilyloxy)ketene acetals with isoquinolines and quinolines
Schmidt, Andreas; Michalik, Dirk; Rotzoll, Sven; Ullah, Ehsan; Fischer, Christine; Reinke, Helmut; Görls, Helmar; Langer, Peter; Organic & Biomolecular Chemistry 6 (2008) 2804–2814; doi:10.1039/b804139c

data_7150933
_publ_section_title
;
 Synthesis of azoxabicyclo[3.3.1]nonanones based on diastereoselective
 reactions of 1,1-bis(trimethylsilyloxy)ketene acetals with
 isoquinolines and quinolines
;
_journal_issue                   15
_journal_name_full               'Organic &amp; Biomolecular Chemistry'
_journal_page_first              2804
_journal_page_last               2814
_journal_paper_doi               10.1039/b804139c
_journal_volume                  6
_journal_year                    2008
_chemical_formula_moiety         'C16 H19 N O4'
_chemical_formula_sum            'C16 H19 N O4'
_chemical_formula_weight         289.32
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.408(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.1502(3)
_cell_length_b                   11.2491(9)
_cell_length_c                   26.050(2)
_cell_measurement_reflns_used    8536
_cell_measurement_temperature    183(2)
_cell_measurement_theta_max      27.47
_cell_measurement_theta_min      2.39
_cell_volume                     1509.17(19)
_computing_cell_refinement       DENZO
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      183(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi- + omega-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  0.0574
_diffrn_reflns_av_sigmaI/netI    0.0741
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            8536
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.39
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.181
_refine_diff_density_min         -0.243
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     196
_refine_ls_number_reflns         3396
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.1210
_refine_ls_R_factor_gt           0.0598
_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^)+(0.0640P)^2^+0.3701P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1252
_refine_ls_wR_factor_ref         0.1518
_reflns_number_gt                2016
_reflns_number_total             3396
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b804139c.txt
_cod_data_source_block           FO2669
_cod_depositor_comments
;
The following automatic conversions were performed:
'_exptl_absorpt_correction_type' value 'NONE' changed to 'none' according
to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_atom_sites_solution_hydrogens' value 'geom/difmap' was changed to
'mixed'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_cell_volume        1509.15(19)
_cod_original_sg_symbol_Hall     -P2yn
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7150933