Total Synthesis of Herbicidin C and Aureonuclemycin: Impasses and New Avenues
Dominik Hager; Christian Paulitz; Jörg Tiebes; Peter Mayer; Dirk Trauner; Journal of Organic Chemistry 78 (2013) 10784–10801; doi:10.1021/jo401706r

data_4028706
_publ_section_title
;
 Total Synthesis of Herbicidin C and Aureonuclemycin: Impasses and New
 Avenues
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              10784
_journal_page_last               10801
_journal_paper_doi               10.1021/jo401706r
_journal_volume                  78
_journal_year                    2013
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C34 H36 O10'
_chemical_formula_sum            'C34 H36 O10'
_chemical_formula_weight         604.644
_space_group_IT_number           78
_symmetry_cell_setting           tetragonal
_symmetry_Int_Tables_number      78
_symmetry_space_group_name_Hall  'P 4cw'
_symmetry_space_group_name_H-M   'P 43'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_code                C34H36O10_pn086_trauner
_audit_creation_date             16-Mar-11
_audit_creation_method           'form98_non/compatible with shelxl97-2'
_audit_update_record             18-Mar-11
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3203(3)
_cell_length_b                   13.3203(3)
_cell_length_c                   18.4658(3)
_cell_measurement_reflns_used    11094
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.350
_cell_measurement_theta_min      3.134
_cell_volume                     3276.39(12)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_structure_refinement
;
Sheldrick, G. M. (2008).
<i>Acta Cryst.</i> A<b>64</b>, 112--122.
;
_computing_structure_solution
;
A. Altomare, M. C. Burla, M. Camalli, G. L. Cascarano, C. Giacovazzo, A.
Guagliardi, A. G. G. Moliterni, G. Polidori, R. Spagna: SIR97: a new tool for
crystal structure determination and refinement; J. Appl. Crystallogr. 1999,
32, 115-119.
;
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD; rotation images; thick slices'
_diffrn_orient_matrix_type       'by Bruker AXS Collect from scalepack cell'
_diffrn_orient_matrix_UB_11      0.0455008
_diffrn_orient_matrix_UB_12      -0.0394704
_diffrn_orient_matrix_UB_13      0.0323204
_diffrn_orient_matrix_UB_21      -0.0592046
_diffrn_orient_matrix_UB_22      -0.0226474
_diffrn_orient_matrix_UB_23      0.0290034
_diffrn_orient_matrix_UB_31      -0.0076194
_diffrn_orient_matrix_UB_32      -0.0597291
_diffrn_orient_matrix_UB_33      -0.0323553
_diffrn_radiation_collimation    0.20
_diffrn_radiation_monochromator  'MONTEL, graded multilayered x-ray optics'
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0395
_diffrn_reflns_av_sigmaI/netI    0.0338
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            20777
_diffrn_reflns_theta_full        25.32
_diffrn_reflns_theta_max         25.32
_diffrn_reflns_theta_min         3.25
_diffrn_source_current           55.00
_diffrn_source_power             3.025
_diffrn_source_type              'FR 591 generator'
_diffrn_source_voltage           55.00
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.22580(4)
_exptl_crystal_description       rod
_exptl_crystal_F_000             1280
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.5(13)
_refine_ls_extinction_coef       0.014(2)
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     360
_refine_ls_number_reflns         5911
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0800
_refine_ls_R_factor_gt           0.0606
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0961P)^2^+1.1933P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1585
_refine_ls_wR_factor_ref         0.1727
_reflns_number_gt                4680
_reflns_number_total             5911
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo401706r_si_002_1.cif
_cod_data_source_block           pn086
_cod_original_cell_volume        3276.39(11)
_cod_database_code               4028706