A Simple Stereocontrolled Synthesis of Salinosporamide A
Leleti Rajender Reddy; P. Saravanan; E. J. Corey; Journal of the American Chemical Society 126 (2004) 6230–6231; doi:10.1021/ja048613p

data_4112589
_publ_section_title
;
 A Simple Stereocontrolled Synthesis of Salinosporamide A
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              6230
_journal_page_last               6231
_journal_paper_doi               10.1021/ja048613p
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'C23 H25 N O5'
_chemical_formula_weight         395.44
_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                   8.4206(14)
_cell_length_b                   11.8965(19)
_cell_length_c                   20.622(3)
_cell_measurement_temperature    193(2)
_cell_volume                     2065.8(6)
_computing_cell_refinement       'SMART (BRUKER, V5.054, 1998)'
_computing_data_collection       'ASTRO (BRUKER, V5.007, 1997)'
_computing_data_reduction        'SAINT (BRUKER, V6.01, 1999)'
_computing_molecular_graphics    'SHELXTL (BRUKER, 1998, V5.1)'
_computing_publication_material  'XCIF (Sheldrick and BRUKER, 1997, V5.1)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      193(2)
_diffrn_detector_area_resol_mean 836.6
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker CCD'
_diffrn_measurement_method       '\w, 0.3 deg'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0832
_diffrn_reflns_av_sigmaI/netI    0.1327
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            11628
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.98
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.271
_exptl_crystal_density_meas      0
_exptl_crystal_description       plate
_exptl_crystal_F_000             840
_exptl_crystal_size_max          0.02
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.118
_refine_diff_density_min         -0.121
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.0(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.774
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         3634
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.774
_refine_ls_R_factor_all          0.1193
_refine_ls_R_factor_gt           0.0411
_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^)+(0.0027P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0441
_refine_ls_wR_factor_ref         0.0544
_reflns_number_gt                1752
_reflns_number_total             3634
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja048613psi20040310_030809.cif
_cod_data_source_block           ejc58t
_cod_database_code               4112589