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_4114427
_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            'C18 H22 N4 O5'
_chemical_formula_weight         374.40
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 99.748(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.8687(13)
_cell_length_b                   7.1875(7)
_cell_length_c                   33.273(3)
_cell_measurement_reflns_used    3552
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      27.95
_cell_measurement_theta_min      2.48
_cell_volume                     3504.5(6)
_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      273(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0462
_diffrn_reflns_av_sigmaI/netI    0.0444
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       44
_diffrn_reflns_limit_l_min       -43
_diffrn_reflns_number            12592
_diffrn_reflns_theta_full        28.32
_diffrn_reflns_theta_max         28.32
_diffrn_reflns_theta_min         1.24
_exptl_absorpt_coefficient_mu    0.105
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.419
_exptl_crystal_density_meas      0
_exptl_crystal_F_000             1584
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.213
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         4347
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0578
_refine_ls_R_factor_gt           0.0417
_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^)+(0.0604P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1005
_refine_ls_wR_factor_ref         0.1147
_reflns_number_gt                3203
_reflns_number_total             4347
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja037656nsi20030730_113512.cif
_cod_data_source_block           bwXVIIt
_cod_database_code               4114427