Domino metathesis involving ROM-RCM of substituted norbornenes. Rapid access to densely functionalized tricyclic bridged and condensed ring systems
Malik, Chanchal K.; Ghosh, Subrata; Organic Letters 9 (2007) 2537–2540; doi:10.1021/ol070906a

data_1516652
_publ_section_title
;
 Domino metathesis involving ROM-RCM of substituted norbornenes. Rapid
 access to densely functionalized tricyclic bridged and condensed ring
 systems
;
_journal_coden_ASTM              ORLEF7
_journal_issue                   13
_journal_name_full               'Organic Letters'
_journal_page_first              2537
_journal_page_last               2540
_journal_paper_doi               10.1021/ol070906a
_journal_volume                  9
_journal_year                    2007
_chemical_formula_sum            'C18 H22 O3'
_chemical_formula_weight         286.35
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.421(2)
_cell_angle_beta                 71.857(2)
_cell_angle_gamma                89.308(2)
_cell_formula_units_Z            4
_cell_length_a                   10.2279(13)
_cell_length_b                   10.6309(13)
_cell_length_c                   15.3920(19)
_cell_measurement_temperature    298(2)
_cell_volume                     1566.8(3)
_computing_cell_refinement       'BRUKER AXS SMART 3'
_computing_data_collection       'BRUKER AXS SMART 3'
_computing_data_reduction        'BRUKER AXS SAINT'
_computing_molecular_graphics    PLATON
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector_area_resol_mean 0.3
_diffrn_measured_fraction_theta_full 0.885
_diffrn_measured_fraction_theta_max 0.885
_diffrn_measurement_device_type  'BRUKER SMART CCD AREA DETECTOR'
_diffrn_measurement_method       PHI-OMEGA
_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  0.0197
_diffrn_reflns_av_sigmaI/netI    0.0558
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            9414
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_type   SADABS
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.214
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATE
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.278
_refine_diff_density_min         -0.154
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.950
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     381
_refine_ls_number_reflns         6894
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.950
_refine_ls_R_factor_all          0.1124
_refine_ls_R_factor_gt           0.0590
_refine_ls_shift/su_max          0.119
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0996P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1502
_refine_ls_wR_factor_ref         0.1872
_reflns_number_gt                3659
_reflns_number_total             6894
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             1505431
_cod_data_source_file            ol070906asi20070418_064240.cif
_cod_data_source_block           ckm77pm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'TRICLINIC' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Updated bibliographic information.

 Antanas Vaitkus,
 2019-09-20

 Marked entry as a duplicate of entry 1505431.

 Antanas Vaitkus,
 2019-09-20
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1516652