Synthesis, structure and stereochemistry of quinoline alkaloids from Choisya ternata.
Boyd, Derek R.; Sharma, Narain D.; Loke, Pui L.; Malone, John F.; McRoberts, W. Colin; Hamilton, John T. G.; Organic & biomolecular chemistry 5 (2007) 2983–2991; doi:10.1039/b707576f

data_7151140
_publ_section_title
;
 Synthesis, structure and stereochemistry of quinoline alkaloids from
 Choisya ternata.
;
_journal_issue                   18
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              2983
_journal_page_last               2991
_journal_paper_doi               10.1039/b707576f
_journal_volume                  5
_journal_year                    2007
_chemical_formula_moiety         'C18 H20 Cl N O5'
_chemical_formula_sum            'C18 H20 Cl N O5'
_chemical_formula_weight         365.80
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  'P 1'
_symmetry_space_group_name_H-M   'P 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                70.603(2)
_cell_angle_beta                 87.747(2)
_cell_angle_gamma                84.239(2)
_cell_formula_units_Z            4
_cell_length_a                   7.3052(9)
_cell_length_b                   13.9881(18)
_cell_length_c                   17.435(2)
_cell_measurement_temperature    153(2)
_cell_volume                     1672.0(4)
_computing_cell_refinement       'BRuker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker SMART CCD diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0665
_diffrn_reflns_av_sigmaI/netI    0.0794
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9932
_diffrn_reflns_theta_full        20.00
_diffrn_reflns_theta_max         20.00
_diffrn_reflns_theta_min         1.24
_exptl_absorpt_coefficient_mu    0.258
_exptl_absorpt_correction_T_max  0.9746
_exptl_absorpt_correction_T_min  0.9502
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.453
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'hexagonal plates'
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.503
_refine_diff_density_min         -0.464
_refine_diff_density_rms         0.092
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     916
_refine_ls_number_reflns         6037
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.1222
_refine_ls_R_factor_gt           0.0977
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.2000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2467
_refine_ls_wR_factor_ref         0.2706
_reflns_number_gt                4424
_reflns_number_total             6037
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b707576f.txt
_cod_data_source_block           20
_cod_original_sg_symbol_H-M      P1
_cod_database_code               7151140