Total Syntheses of (-)-Mersicarpine, (-)-Scholarisine G, (+)-Melodinine E, (-)-Leuconoxine, (-)-Leuconolam, (-)-Leuconodine A, (+)-Leuconodine F, and (-)-Leuconodine C: Self-Induced Diastereomeric Anisochronism (SIDA) Phenomenon for Scholarisine G and Leuconodines A and C.
Xu, Zhengren; Wang, Qian; Zhu, Jieping; Journal of the American Chemical Society 137 (2015) 6712–6724; doi:10.1021/jacs.5b03619

data_4123630
_publ_section_title
;
 Total Syntheses of (-)-Mersicarpine, (-)-Scholarisine G, (+)-Melodinine
 E, (-)-Leuconoxine, (-)-Leuconolam, (-)-Leuconodine A, (+)-Leuconodine F,
 and (-)-Leuconodine C: Self-Induced Diastereomeric Anisochronism (SIDA)
 Phenomenon for Scholarisine G and Leuconodines A and C.
;
_journal_issue                   20
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6712
_journal_page_last               6724
_journal_paper_doi               10.1021/jacs.5b03619
_journal_volume                  137
_journal_year                    2015
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C19 H22 N2 O3, 0.5(H2 O)'
_chemical_formula_sum            'C19 H23 N2 O3.5'
_chemical_formula_weight         335.39
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-08-07 # Formatted by publCIF

;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.063(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.845(2)
_cell_length_b                   7.3477(5)
_cell_length_c                   16.074(2)
_cell_measurement_reflns_used    186
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22
_cell_measurement_theta_min      3
_cell_volume                     1871.4(4)
_computing_cell_refinement       'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs, 1990-2000)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_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  0.0651
_diffrn_reflns_av_sigmaI/netI    0.0852
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            28035
_diffrn_reflns_theta_full        29.12
_diffrn_reflns_theta_max         29.12
_diffrn_reflns_theta_min         1.27
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.7458
_exptl_absorpt_correction_T_min  0.6145
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2008, Bruker AXS, 2008'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.190
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             716
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.780
_refine_diff_density_min         -0.512
_refine_diff_density_rms         0.110
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.2(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         9546
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.1147
_refine_ls_R_factor_gt           0.0933
_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^)+(0.1368P)^2^+3.1115P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2432
_refine_ls_wR_factor_ref         0.2605
_reflns_number_gt                7331
_reflns_number_total             9546
_reflns_threshold_expression     >2sigma(I)
_publcif_datablock.id            {e013d9c1-8bbe-4b02-b739-4f7f60ff602a}
_publcif_info_exptl_table_max_cols 4
_publcif_info_exptl_table_use_headnotes n
_cod_data_source_file            ja5b03619_si_002.cif
_cod_data_source_block           xzrv-126bpa
_cod_depositor_comments
'Adding full bibliography for 4123621--4123635.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_original_formula_sum        'C19 H23 N2 O3.50'
_cod_database_code               4123630
_platon_squeeze_void_probe_radius 1.20