Rationalizing the Role of NaOtBu in Copper-Catalyzed Carboboration of Alkynes: Assembly of Allylic All-Carbon Quaternary Stereocenters
Kim-Lee, Shin-Ho; Alonso, Inés; Mauleón, Pablo; Arrayás, Ramón Gómez; Carretero, Juan C.; ACS Catalysis 8 (2018) 8993–; doi:10.1021/acscatal.8b02123

data_4515514
_publ_section_title
;
 Rationalizing the Role of NaOtBu in Copper-Catalyzed Carboboration of
 Alkynes: Assembly of Allylic All-Carbon Quaternary Stereocenters
;
_journal_issue                   10
_journal_name_full               'ACS Catalysis'
_journal_page_first              8993
_journal_paper_doi               10.1021/acscatal.8b02123
_journal_volume                  8
_journal_year                    2018
_chemical_formula_sum            'C25 H38 B N O6 S'
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_chemical_name_common            shr484fs_LT
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_cell_angle_beta                 115.700(3)
_cell_angle_gamma                93.978(4)
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_cell_length_b                   11.5967(8)
_cell_length_c                   12.3843(9)
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_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      175.(2)
_diffrn_detector_area_resol_mean 8.3333
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_diffrn_measured_fraction_theta_max 0.999
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_diffrn_radiation_type           'Mo K\a'
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_diffrn_reflns_limit_l_min       -14
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_diffrn_reflns_theta_max         25.34
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_exptl_absorpt_coefficient_mu    0.161
_exptl_absorpt_correction_T_max  0.7454
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_density_diffrn    1.238
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.169
_exptl_crystal_size_mid          0.163
_exptl_crystal_size_min          0.080
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_refine_diff_density_min         -0.433
_refine_ls_extinction_method     none
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_refine_ls_number_reflns         4804
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_refine_ls_R_factor_all          0.0644
_refine_ls_R_factor_gt           0.0458
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
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'w=1/[\s^2^(Fo^2^)+(0.0495P)^2^+1.1115P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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