Total Synthesis of Vinblastine, Vincristine, Related Natural Products, and Key Structural Analogues
Hayato Ishikawa; David A. Colby; Shigeki Seto; Porino Va; Annie Tam; Hiroyuki Kakei; Thomas J. Rayl; Inkyu Hwang; Dale L. Boger; Journal of the American Chemical Society 131 (2009) 4904–4916; doi:10.1021/ja809842b

data_4104130
_publ_section_title
;
 Total Synthesis of Vinblastine, Vincristine, Related Natural Products,
 and Key Structural Analogues
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              4904
_journal_page_last               4916
_journal_paper_doi               10.1021/ja809842b
_journal_volume                  131
_journal_year                    2009
_chemical_formula_sum            'C50 H65 N7 O10'
_chemical_formula_weight         924.09
_chemical_name_systematic
; 
 ? 
;
_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                   9.4272(19)
_cell_length_b                   20.353(4)
_cell_length_c                   27.946(6)
_cell_measurement_reflns_used    1907
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      8.73
_cell_measurement_theta_min      5.80
_cell_volume                     5362.0(19)
_computing_cell_refinement       'Bruker SAINT+'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT+'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1100
_diffrn_reflns_av_sigmaI/netI    0.1495
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            18684
_diffrn_reflns_theta_full        22.50
_diffrn_reflns_theta_max         22.50
_diffrn_reflns_theta_min         1.46
_diffrn_standards_decay_%        1
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9896
_exptl_absorpt_correction_T_min  0.9802
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Shelrick, 1999)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.145
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Parallalepiped
_exptl_crystal_F_000             1976
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.663
_refine_diff_density_min         -0.404
_refine_diff_density_rms         0.090
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -4(3)
_refine_ls_extinction_coef       0.0165(13)
_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   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     642
_refine_ls_number_reflns         6948
_refine_ls_number_restraints     5
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.1648
_refine_ls_R_factor_gt           0.0997
_refine_ls_shift/su_max          0.047
_refine_ls_shift/su_mean         0.013
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1500P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2400
_refine_ls_wR_factor_ref         0.2796
_reflns_number_gt                4069
_reflns_number_total             6948
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja809842b_si_003.cif
_cod_data_source_block           tamb
_cod_original_cell_volume        5362.1(19)
_cod_database_code               4104130