Enantioselective annulation of enals with 2-naphthols by triazolium salts derived froml-phenylalanine
Li, Guo-Tai; Gu, Qing; You, Shu-Li; Chem. Sci. 6 (2015) 4273–; doi:10.1039/C5SC00731C

data_1519406
_publ_section_title
;
 Enantioselective annulation of enals with 2-naphthols by triazolium salts
 derived froml-phenylalanine
;
_journal_issue                   7
_journal_name_full               'Chem. Sci.'
_journal_page_first              4273
_journal_paper_doi               10.1039/C5SC00731C
_journal_volume                  6
_journal_year                    2015
_chemical_absolute_configuration ad
_chemical_formula_sum            'C35 H38 B F4 N3 O Si'
_chemical_formula_weight         631.58
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_space_group_IT_number           152
_space_group_name_Hall           'P 31 2"'
_space_group_name_H-M_alt        'P 31 2 1'
_symmetry_space_group_name_Hall  'P 31 2"'
_symmetry_space_group_name_H-M   'P 31 2 1'
_atom_sites_solution_hydrogens   geom
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_audit_update_record
;
2015-02-27 deposited with the CCDC.
2015-04-30 downloaded from the CCDC.
;
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_cell_angle_beta                 90
_cell_angle_gamma                120
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_cell_length_a                   11.5410(7)
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_cell_length_c                   52.812(5)
_cell_measurement_reflns_used    5062
_cell_measurement_temperature    293(2)
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_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
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_computing_molecular_graphics    'Bruker SHELXTL'
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_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0629
_diffrn_reflns_av_unetI/netI     0.0488
_diffrn_reflns_Laue_measured_fraction_full 1.005
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_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       63
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            35612
_diffrn_reflns_point_group_measured_fraction_full 1.004
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_exptl_absorpt_correction_T_min  0.5752
_exptl_absorpt_correction_type   multi-scan
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_platon_squeeze_details
;
;
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; 
 Flack x determined using 1828 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons and Flack (2004), Acta Cryst. A60, s61). 
;
_refine_ls_abs_structure_Flack   0.02(9)
_refine_ls_extinction_method     none
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0737P)^2^] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_depositor_comments
'Adding full bibliography for 1519405--1519406.cif.'
_cod_original_cell_volume        6091.9(9)
_cod_database_code               1519406
_shelxl_version_number           2013-4
_shelx_res_checksum              30093
_shelx_hkl_checksum              43459