Ring-Opening Metathesis/Oxy-Cope Rearrangement: A New Strategy for the Synthesis of Bicyclic Medium Ring-Containing Compounds
Brian H. White; Marc L. Snapper; Journal of the American Chemical Society 125 (2003) 14901–14904; doi:10.1021/ja037656n

data_4114423
_publ_section_title
;
 Ring-Opening Metathesis/Oxy-Cope Rearrangement: A New Strategy for the
 Synthesis of Bicyclic Medium Ring-Containing Compounds
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14901
_journal_page_last               14904
_journal_paper_doi               10.1021/ja037656n
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C12 H18 O3'
_chemical_formula_weight         210.26
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 110.651(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.461(3)
_cell_length_b                   5.3473(7)
_cell_length_c                   17.869(3)
_cell_measurement_reflns_used    2332
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      23.85
_cell_measurement_theta_min      2.44
_cell_volume                     2187.1(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1855
_diffrn_reflns_av_sigmaI/netI    0.1551
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       3
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            15353
_diffrn_reflns_theta_full        28.38
_diffrn_reflns_theta_max         28.38
_diffrn_reflns_theta_min         0.89
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.277
_exptl_crystal_density_meas      0
_exptl_crystal_description       needles
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.65
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.352
_refine_diff_density_min         -0.271
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.948
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         5438
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.948
_refine_ls_R_factor_all          0.1093
_refine_ls_R_factor_gt           0.0717
_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^)+(0.0209P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1440
_refine_ls_wR_factor_ref         0.1616
_reflns_number_gt                3382
_reflns_number_total             5438
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja037656nsi20030730_113002.cif
_cod_data_source_block           bwXIXb
_cod_original_cell_volume        2187.2(5)
_cod_database_code               4114423