Stereospecific Synthesis of Tetrahydronaphtho[2,3-b]furans Enabled by a Nickel-Promoted Tandem Reductive Cyclization.
Peng, Yu; Xiao, Jian; Xu, Xiao-Bo; Duan, Shu-Ming; Ren, Li; Shao, Yong-Liang; Wang, Ya-Wen; Organic letters 18 (2016) 5170–5173; doi:10.1021/acs.orglett.6b02665

data_1555845
_publ_section_title
;
 Stereospecific Synthesis of Tetrahydronaphtho[2,3-b]furans Enabled by a
 Nickel-Promoted Tandem Reductive Cyclization.
;
_journal_issue                   19
_journal_name_full               'Organic letters'
_journal_page_first              5170
_journal_page_last               5173
_journal_paper_doi               10.1021/acs.orglett.6b02665
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C14 H16 O2'
_chemical_formula_weight         216.27
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/n 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                 99.603(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5881(7)
_cell_length_b                   15.4507(11)
_cell_length_c                   8.7345(6)
_cell_measurement_reflns_used    1122
_cell_measurement_temperature    150.00(10)
_cell_measurement_theta_max      70.3710
_cell_measurement_theta_min      5.7040
_cell_volume                     1142.76(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector_area_resol_mean 16.0733
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0317
_diffrn_reflns_av_sigmaI/netI    0.0365
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            4906
_diffrn_reflns_theta_full        70.75
_diffrn_reflns_theta_max         70.75
_diffrn_reflns_theta_min         5.73
_exptl_absorpt_coefficient_mu    0.657
_exptl_absorpt_correction_T_max  0.888
_exptl_absorpt_correction_T_min  0.828
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         2181
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0551
_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^)+(0.0914P)^2^+0.3619P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1490
_refine_ls_wR_factor_ref         0.1555
_reflns_number_gt                1939
_reflns_number_total             2181
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b02665_si_006.cif
_cod_data_source_block           xiaojian1222
_cod_database_code               1555845