Iodobenzene-Catalyzed Oxabicyclo[3.2.1]octane and [4.2.1]Nonane Synthesis via Cascade C–O/C–C Formation
Ngatimin, Marsewi; Frey, Raphael; Levens, Alison; Nakano, Yuji; Kowalczyk, Marcin; Konstas, Kristina; Hutt, Oliver E.; Lupton, David W.; Organic Letters 15 (2013) 5858–; doi:10.1021/ol4029308

data_1513144
_publ_section_title
;
 Iodobenzene-Catalyzed Oxabicyclo[3.2.1]octane and [4.2.1]Nonane Synthesis
 via Cascade C--O/C--C Formation
;
_journal_issue                   22
_journal_name_full               'Organic Letters'
_journal_page_first              5858
_journal_paper_doi               10.1021/ol4029308
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C17 H16 O4'
_chemical_formula_sum            'C17 H16 O4'
_chemical_formula_weight         284.31
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_symmetry_space_group_name_Hall  '-P 2ybc'
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_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                 102.363(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.2105(9)
_cell_length_b                   12.8932(8)
_cell_length_c                   7.6970(5)
_cell_measurement_reflns_used    2026
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      31.0914
_cell_measurement_theta_min      2.5761
_cell_volume                     1377.53(16)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.36 (release 02-08-2010 CrysAlis171 .NET)
(compiled Aug  2 2010,13:00:58)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.36 (release 02-08-2010 CrysAlis171 .NET)
(compiled Aug  2 2010,13:00:58)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.36 (release 02-08-2010 CrysAlis171 .NET)
(compiled Aug  2 2010,13:00:58)
;
_computing_molecular_graphics    X-Seed/POVRay
_computing_publication_material  CIFTAB
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 10.3389
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.891
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0198
_diffrn_reflns_av_sigmaI/netI    0.0317
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            8668
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         32.42
_diffrn_reflns_theta_min         2.16
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98793
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.36 (release 02-08-2010 CrysAlis171 .NET)
(compiled Aug  2 2010,13:00:58)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.371
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.371
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         4417
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0555
_refine_ls_R_factor_gt           0.0429
_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^)+(0.0514P)^2^+0.3564P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1032
_refine_ls_wR_factor_ref         0.1125
_reflns_number_gt                3596
_reflns_number_total             4417
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol4029308_si_002.cif
_cod_data_source_block           p2
_cod_original_cell_volume        1377.53(15)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1513144