A Versatile Strategy for Divergent and Diastereoselective Synthesis of Natural Product-Like Polyhydroxylated Indolizidines
Xiao-Ping Jiang; Ying Cheng; Gao-Feng Shi; Zhi-Mei Kang; Journal of Organic Chemistry 72 (2007) 2212–2215; doi:10.1021/jo0624290

data_4022777
_publ_section_title
;
 A Versatile Strategy for Divergent and Diastereoselective
 Synthesis of Natural Product-Like Polyhydroxylated Indolizidines
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              2212
_journal_page_last               2215
_journal_paper_doi               10.1021/jo0624290
_journal_volume                  72
_journal_year                    2007
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C13 H19 N O6'
_chemical_formula_sum            'C13 H19 N O6'
_chemical_formula_weight         285.29
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_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
_atom_sites_solution_secondary   difmap
_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                   9.6256(19)
_cell_length_b                   9.795(2)
_cell_length_c                   14.391(3)
_cell_measurement_reflns_used    4032
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.3
_cell_measurement_theta_min      2.5
_cell_volume                     1356.8(5)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0435
_diffrn_reflns_av_sigmaI/netI    0.0460
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            17562
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         2.52
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  0.9890
_exptl_absorpt_correction_T_min  0.9760
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.397
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             608
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.210
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'None, Friedel Pairs merged'
_refine_ls_extinction_coef       0.046(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     186
_refine_ls_number_reflns         1926
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0403
_refine_ls_R_factor_gt           0.0364
_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^)+(0.0611P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0857
_refine_ls_wR_factor_ref         0.0876
_reflns_number_gt                1770
_reflns_number_total             1926
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo0624290si20070116_102203.cif
_cod_data_source_block           shelxl
_cod_database_code               4022777