Regio- and Diastereoselective Three-Component Reactions via Trapping of Ammonium Ylides with N-Alkylquinolinium Salts: Synthesis of Multisubstituted Tetra- and Dihydroquinoline Derivatives.
Kang, Zhenghui; Zhang, Dan; Hu, Wenhao; Organic letters 19 (2017) 3783–3786; doi:10.1021/acs.orglett.7b01664

data_1546522
_publ_section_title
;
 Regio- and Diastereoselective Three-Component Reactions via Trapping of
 Ammonium Ylides with N-Alkylquinolinium Salts: Synthesis of
 Multisubstituted Tetra- and Dihydroquinoline Derivatives.
;
_journal_issue                   14
_journal_name_full               'Organic letters'
_journal_page_first              3783
_journal_page_last               3786
_journal_paper_doi               10.1021/acs.orglett.7b01664
_journal_volume                  19
_journal_year                    2017
_chemical_formula_sum            'C31 H26 Br2 N2 O2'
_chemical_formula_weight         618.36
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_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                 112.190(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7785(7)
_cell_length_b                   24.6674(17)
_cell_length_c                   11.7616(8)
_cell_measurement_reflns_used    5947
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.15
_cell_measurement_theta_min      2.32
_cell_volume                     2626.9(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Apex II CCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0516
_diffrn_reflns_av_sigmaI/netI    0.0352
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            30145
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.65
_exptl_absorpt_coefficient_mu    3.118
_exptl_absorpt_correction_T_max  0.5888
_exptl_absorpt_correction_T_min  0.3837
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.564
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.780
_refine_diff_density_min         -0.669
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     334
_refine_ls_number_reflns         4639
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0607
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0255P)^2^+2.4949P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0723
_refine_ls_wR_factor_ref         0.0800
_reflns_number_gt                3479
_reflns_number_total             4639
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol7b01664_si_001.cif
_cod_data_source_block           z
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 1546522.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1546522