Applications of 1-Alkenyl-1,1-Heterobimetallics in the Stereoselective Synthesis of Cyclopropylboronate Esters, Trisubstituted Cyclopropanols and 2,3-Disubstituted Cyclobutanones
Mahmud M. Hussain; Hongmei Li; Nusrah Hussain; Mercedes Ureña; Patrick J. Carroll; Patrick J. Walsh; Journal of the American Chemical Society 131 (2009) 6516–6524; doi:10.1021/ja900147s

data_4104335
_publ_section_title
;
 Applications of 1-Alkenyl-1,1-Heterobimetallics in the Stereoselective
 Synthesis of Cyclopropylboronate Esters, Trisubstituted Cyclopropanols
 and 2,3-Disubstituted Cyclobutanones
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6516
_journal_page_last               6524
_journal_paper_doi               10.1021/ja900147s
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C14 H26 O2'
_chemical_formula_weight         226.35
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.419(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.038(4)
_cell_length_b                   12.0303(16)
_cell_length_c                   9.8885(15)
_cell_measurement_temperature    143(1)
_cell_volume                     2871.4(7)
_computing_data_collection       'CrystalClear (Rigaku, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, 1999)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       'phi and omega rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0192
_diffrn_reflns_av_sigmaI/netI    0.0200
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            7191
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.68
_exptl_absorpt_coefficient_mu    0.067
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9248
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;  Shape and scale corrections using equivalent reflections.
   Shape function based on spherical harmonics.
   Highest even and odd order for spherical harmonics:  4  and  1
   Laue group:  2/m (b)
   Friedel opposites are equivalent.
;
_exptl_crystal_density_diffrn    1.047
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     149
_refine_ls_number_reflns         2526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0538
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0525P)^2^+1.4485P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1032
_refine_ls_wR_factor_ref         0.1114
_reflns_number_gt                2084
_reflns_number_total             2526
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja900147s_si_003.cif
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      'C 2/c '
_cod_database_code               4104335