Scalable Synthesis of Cortistatin A and Related Structures
Jun Shi; Georg Manolikakes; Chien-Hung Yeh; Carlos A. Guerrero; Ryan A. Shenvi; Hiroki Shigehisa; Phil S. Baran; Journal of the American Chemical Society 133 (2011) 8014–8027; doi:10.1021/ja202103e

data_4106156
_publ_section_title
;
 Scalable Synthesis of Cortistatin A and Related Structures
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8014
_journal_page_last               8027
_journal_paper_doi               10.1021/ja202103e
_journal_volume                  133
_journal_year                    2011
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C26 H39 N O7'
_chemical_formula_sum            'C26 H39 N O7'
_chemical_formula_weight         477.58
_chemical_name_common            Ryan
_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                   12.015(2)
_cell_length_b                   12.534(2)
_cell_length_c                   16.724(3)
_cell_measurement_reflns_used    12915
_cell_measurement_temperature    205(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      4
_cell_volume                     2518.6(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      205(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'area detector CCD'
_diffrn_measurement_method       'thin slice 360deg phi scan'
_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  0.0458
_diffrn_reflns_av_sigmaI/netI    0.0663
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12915
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.03
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9955
_exptl_absorpt_correction_T_min  0.9910
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   multiscan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.259
_exptl_crystal_description       'Thin Needle'
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.443
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.079
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.5(19)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.257
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         5698
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.257
_refine_ls_R_factor_all          0.1123
_refine_ls_R_factor_gt           0.0997
_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^)+(0.0976P)^2^+1.1942P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2211
_refine_ls_wR_factor_ref         0.2278
_reflns_number_gt                4924
_reflns_number_total             5698
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja202103e_si_002.cif
_cod_data_source_block           ryan1
_cod_original_cell_volume        2518.7(9)
_cod_database_code               4106156