Toward the Synthesis of Norzoanthamine: Complete Fragment Assembly
Martin Juhl; Rune Monrad; Inger Søtofte; David Tanner; Journal of Organic Chemistry 72 (2007) 4644–4654; doi:10.1021/jo070165r

data_4023943
_publ_section_title
;
 Toward the Synthesis of Norzoanthamine: Complete Fragment Assembly
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4644
_journal_page_last               4654
_journal_paper_doi               10.1021/jo070165r
_journal_volume                  72
_journal_year                    2007
_chemical_formula_sum            'C34 H56 O7 Si'
_chemical_formula_weight         604.88
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_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                 94.405(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   13.0227(8)
_cell_length_b                   9.1344(6)
_cell_length_c                   14.7121(9)
_cell_measurement_reflns_used    20989
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      28.02
_cell_measurement_theta_min      1.39
_cell_volume                     1744.90(19)
_computing_cell_refinement       'SAINT (Bruker AXS,1998)'
_computing_data_collection       'SMART (Bruker AXS,1998)'
_computing_data_reduction        'SAINT (Bruker AXS,1998)'
_computing_molecular_graphics    'SHELXTL,ver.6.12 (Sheldrick,2001)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXTL,ver.6.12 (Sheldrick,2001)'
_computing_structure_solution    'SHELXTL,ver.6.12 (Sheldrick,2001)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART 1K CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0627
_diffrn_reflns_av_sigmaI/netI    0.0532
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            20989
_diffrn_reflns_theta_full        28.02
_diffrn_reflns_theta_max         28.02
_diffrn_reflns_theta_min         1.39
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.110
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8339
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2001)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.151
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             660
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.549
_refine_diff_density_min         -0.347
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         4464
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0996
_refine_ls_R_factor_gt           0.0826
_refine_ls_shift/su_max          2.445
_refine_ls_shift/su_mean         0.080
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1186P)^2^+1.3151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2040
_refine_ls_wR_factor_ref         0.2170
_reflns_number_gt                3678
_reflns_number_total             4464
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo070165rsi20070209_105621.cif
_cod_data_source_block           mju83c
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4023943