Total Synthesis of (+)-Scholarisine A
Gregory L. Adams; Patrick J. Carroll; Amos B. Smith; Journal of the American Chemical Society 134 (2012) 4037–4040; doi:10.1021/ja211840k

data_4117592
_publ_section_title
;
 Total Synthesis of (+)-Scholarisine A
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4037
_journal_page_last               4040
_journal_paper_doi               10.1021/ja211840k
_journal_volume                  134
_journal_year                    2012
_chemical_absolute_configuration syn
_chemical_formula_sum            'C19 H21 N O4'
_chemical_formula_weight         327.37
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.7608(3)
_cell_length_b                   11.1455(4)
_cell_length_c                   21.7524(9)
_cell_measurement_temperature    143(1)
_cell_volume                     1639.10(12)
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Bruker APEXII'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0292
_diffrn_reflns_av_sigmaI/netI    0.0125
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            35637
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.7097
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2007)'
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.154
_refine_diff_density_min         -0.143
_refine_diff_density_rms         0.029
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     219
_refine_ls_number_reflns         2907
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0268
_refine_ls_R_factor_gt           0.0253
_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^)+(0.0327P)^2^+0.3291P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0626
_refine_ls_wR_factor_ref         0.0638
_reflns_number_gt                2799
_reflns_number_total             2907
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja211840k_si_005.cif
_cod_data_source_block           UP1325-Cmpd(+)-19
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               4117592