Efficient access to cis-decalinol frameworks: copper(i)-catalyzed borylative cyclization of allene cyclohexanediones.
Zhao, Yi-Shuang; Tang, Xiao-Qi; Tao, Jing-Chao; Tian, Ping; Lin, Guo-Qiang; Organic & biomolecular chemistry 14 (2016) 4400–4404; doi:10.1039/c6ob00804f

data_7155092
_publ_section_title
;
 Efficient access to cis-decalinol frameworks: copper(i)-catalyzed
 borylative cyclization of allene cyclohexanediones.
;
_journal_issue                   19
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4400
_journal_page_last               4404
_journal_paper_doi               10.1039/c6ob00804f
_journal_volume                  14
_journal_year                    2016
_chemical_formula_moiety         'C15 H21 B O3'
_chemical_formula_sum            'C15 H21 B O3'
_chemical_formula_weight         260.13
_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
_audit_update_record
;
2016-04-08 deposited with the CCDC.
2016-04-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 101.90(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.555(2)
_cell_length_b                   7.2517(15)
_cell_length_c                   18.652(4)
_cell_measurement_reflns_used    4919
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      66.85
_cell_measurement_theta_min      2.41
_cell_volume                     1397.0(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.942
_diffrn_measured_fraction_theta_max 0.942
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0213
_diffrn_reflns_av_sigmaI/netI    0.0255
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            6044
_diffrn_reflns_theta_full        67.57
_diffrn_reflns_theta_max         67.57
_diffrn_reflns_theta_min         4.85
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.663
_exptl_absorpt_correction_T_max  0.7529
_exptl_absorpt_correction_T_min  0.6526
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       column
_exptl_crystal_F_000             560
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.184
_refine_diff_density_min         -0.171
_refine_diff_density_rms         0.042
_refine_ls_extinction_coef       0.0100(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2375
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0398
_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^)+(0.0560P)^2^+0.3390P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1055
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                2307
_reflns_number_total             2375
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ob00804f2.cif
_cod_data_source_block           343
_cod_depositor_comments
'Adding full bibliography for 7155091--7155092.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7155092