Ring-Closing Metathesis of Allylsilanes/Electrophilic Desilylation To Prepareexo-Methylidenecycloalkanes. Short Syntheses of Teucladiol and Poitediol
Matthew S. Dowling; Christopher D. Vanderwal; Journal of the American Chemical Society 131 (2009) 15090–15091; doi:10.1021/ja906241w

data_4105189
_publ_section_title
;
 Ring-Closing Metathesis of Allylsilanes/Electrophilic Desilylation To
 Prepareexo-Methylidenecycloalkanes. Short Syntheses of Teucladiol and
 Poitediol
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              15090
_journal_page_last               15091
_journal_paper_doi               10.1021/ja906241w
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C15 H26 O2'
_chemical_formula_weight         238.36
_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   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                62.3777(13)
_cell_angle_beta                 88.8810(14)
_cell_angle_gamma                84.8132(14)
_cell_formula_units_Z            4
_cell_length_a                   6.0401(6)
_cell_length_b                   16.3369(17)
_cell_length_c                   16.3744(17)
_cell_measurement_reflns_used    6077
_cell_measurement_temperature    148(2)
_cell_measurement_theta_max      28.13
_cell_measurement_theta_min      2.41
_cell_volume                     1425.3(3)
_computing_cell_refinement       'Bruker SMART APEX2/SAINT'
_computing_data_collection       'Bruker SMART APEX2'
_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      148(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD'
_diffrn_measurement_method       'phi and 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  0.0353
_diffrn_reflns_av_sigmaI/netI    0.0485
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            16303
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         1.40
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.9950
_exptl_absorpt_correction_T_min  0.9859
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.111
_exptl_crystal_density_meas      ?
_exptl_crystal_description       rod
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.377
_refine_diff_density_min         -0.309
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     511
_refine_ls_number_reflns         6221
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0749
_refine_ls_R_factor_gt           0.0472
_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^)+(0.0499P)^2^+0.2989P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1030
_refine_ls_wR_factor_ref         0.1145
_reflns_number_gt                4441
_reflns_number_total             6221
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja906241w_si_002.cif
_cod_data_source_block           cdv12
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 

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_database_code               4105189