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_4117589
_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            'C12 H15 N O3'
_chemical_formula_weight         221.25
_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            12
_cell_length_a                   11.4894(12)
_cell_length_b                   15.611(2)
_cell_length_c                   19.049(3)
_cell_measurement_temperature    143(1)
_cell_volume                     3416.6(8)
_computing_data_collection       'CrystalClear (Rigaku, 1999)'
_computing_data_reduction        'CrystalClear (Rigaku, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare, 1999)'
_diffrn_ambient_temperature      143(1)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'CCD Area Detector'
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       'phi and omega rotations'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1166
_diffrn_reflns_av_sigmaI/netI    0.0472
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            46377
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.51
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6845
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Shape and scale corrections using equivalent reflections.
Shape function based on spherical harmonics.
Highest even and odd order for spherical harmonics:  4  and  3
Laue group:  mmm
Friedel opposites are equivalent.
;
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_F_000             1416
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.518
_refine_diff_density_min         -0.369
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.156
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     437
_refine_ls_number_reflns         6057
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.156
_refine_ls_R_factor_all          0.0961
_refine_ls_R_factor_gt           0.0860
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0647P)^2^+8.6593P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2082
_refine_ls_wR_factor_ref         0.2161
_reflns_number_gt                5393
_reflns_number_total             6057
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja211840k_si_002.cif
_cod_data_source_block           UP1284-Cmpd(-)-14
_cod_original_cell_volume        3416.5(7)
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               4117589