Synthesis and biological evaluation of new paclitaxel analogs and discovery of potent antitumor agents.
Nicolaou, Kyriacos C.; Valiulin, Roman A.; Organic & biomolecular chemistry 11 (2013) 4154–4163; doi:10.1039/c3ob40654g

data_7153762
_publ_section_title
;
 Synthesis and biological evaluation of new paclitaxel analogs and
 discovery of potent antitumor agents.
;
_journal_issue                   25
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              4154
_journal_page_last               4163
_journal_paper_doi               10.1039/c3ob40654g
_journal_volume                  11
_journal_year                    2013
_chemical_formula_sum            'C43 H57 N O15'
_chemical_formula_weight         827.90
_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                 92.717(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.388(8)
_cell_length_b                   10.033(5)
_cell_length_c                   28.031(14)
_cell_measurement_reflns_used    2082
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      18.71
_cell_measurement_theta_min      2.38
_cell_volume                     4604(4)
_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, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-I 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  0.1718
_diffrn_reflns_av_sigmaI/netI    0.3118
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            39913
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         0.73
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9955
_exptl_absorpt_correction_T_min  0.9884
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1999)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.194
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Parallalepiped
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.476
_refine_diff_density_min         -0.358
_refine_diff_density_rms         0.091
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1(3)
_refine_ls_extinction_coef       0.0124(7)
_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   1.167
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     998
_refine_ls_number_reflns         16104
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.167
_refine_ls_R_factor_all          0.3611
_refine_ls_R_factor_gt           0.1245
_refine_ls_shift/su_max          2.352
_refine_ls_shift/su_mean         0.181
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2904
_refine_ls_wR_factor_ref         0.3775
_reflns_number_gt                3882
_reflns_number_total             16104
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ob40654g.cif
_cod_data_source_block           av13_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7153762