Anticancer properties of an important drug lead podophyllotoxin can be efficiently mimicked by diverse heterocyclic scaffolds accessible via one-step synthesis.
Magedov, Igor V.; Frolova, Liliya; Manpadi, Madhuri; Bhoga, Uma devi; Tang, Hong; Evdokimov, Nikolai M.; George, Olivia; Georgiou, Kathy Hadje; Renner, Steffen; Getlik, Matthäus; Kinnibrugh, Tiffany L.; Fernandes, Manuel A.; Van slambrouck, Severine; Steelant, Wim F. A.; Shuster, Charles B.; Rogelj, Snezna; van Otterlo, Willem A. L.; Kornienko, Alexander; Journal of medicinal chemistry 54 (2011) 4234–4246; doi:10.1021/jm200410r

data_1501661
_publ_section_title
;
 Anticancer properties of an important drug lead podophyllotoxin can be
 efficiently mimicked by diverse heterocyclic scaffolds accessible via
 one-step synthesis.
;
_journal_issue                   12
_journal_name_full               'Journal of medicinal chemistry'
_journal_page_first              4234
_journal_page_last               4246
_journal_paper_doi               10.1021/jm200410r
_journal_volume                  54
_journal_year                    2011
_chemical_formula_moiety         '2(C21 H13 Br2 N O2), C4 H8 O2, H2 O'
_chemical_formula_sum            'C46 H36 Br4 N2 O7'
_chemical_formula_weight         1048.41
_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                   8.6598(4)
_cell_length_b                   21.3183(10)
_cell_length_c                   23.6397(10)
_cell_measurement_reflns_used    5258
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      23.56
_cell_measurement_theta_min      2.54
_cell_volume                     4364.2(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0540
_diffrn_reflns_av_sigmaI/netI    0.0618
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            27573
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.91
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.741
_exptl_absorpt_correction_T_max  0.7797
_exptl_absorpt_correction_T_min  0.3025
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Absorption corrections carried out with SADABS 2008/1
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.596
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2088
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.755
_refine_diff_density_min         -0.559
_refine_diff_density_rms         0.110
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.000(12)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     502
_refine_ls_number_reflns         7674
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0767
_refine_ls_R_factor_gt           0.0467
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0658P)^2^+0.7824P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1127
_refine_ls_wR_factor_ref         0.1245
_reflns_number_gt                5717
_reflns_number_total             7674
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jm200410r_si_002.cif
_cod_data_source_block           10m_wvo1_0f
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1501661