Isolation, Structure Elucidation, and Antitumor Activity of Spirohexenolides A and B
MinJin Kang; Brian D. Jones; Alexander L. Mandel; Justin C. Hammons; Antonio G. DiPasquale; Arnold L. Rheingold; James J. La Clair; Michael D. Burkart; Journal of Organic Chemistry 74 (2009) 9054–9061; doi:10.1021/jo901826d

data_4025079
_publ_section_title
;
Isolation, Structure Elucidation, and Antitumor Activity of
Spirohexenolides A and B
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9054
_journal_page_last               9061
_journal_paper_doi               10.1021/jo901826d
_journal_volume                  74
_journal_year                    2009
_chemical_absolute_configuration ad
_chemical_formula_sum            'C25 H28 O5'
_chemical_formula_weight         408.47
_chemical_name_common            ESMedin_cmpd1
_space_group.centring_type       P
_space_group_IT_number           4
_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                 105.946(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.0073(4)
_cell_length_b                   13.0187(9)
_cell_length_c                   12.0229(7)
_cell_measurement_reflns_used    4456
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      65.24
_cell_measurement_theta_min      3.82
_cell_volume                     1054.60(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  SHELXL-97
_computing_structure_solution    SIR-2004
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_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           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0366
_diffrn_reflns_av_sigmaI/netI    0.0466
_diffrn_refln_scan_rate          10
_diffrn_refln_scan_width         0.5
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7195
_diffrn_reflns_theta_full        67.00
_diffrn_reflns_theta_max         67.00
_diffrn_reflns_theta_min         5.12
_exptl_absorpt_coefficient_mu    0.718
_exptl_absorpt_correction_T_max  0.9317
_exptl_absorpt_correction_T_min  0.8409
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             436
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.248
_refine_diff_density_min         -0.171
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.0(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     276
_refine_ls_number_reflns         3065
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0570
_refine_ls_R_factor_gt           0.0460
_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^)+(0.0589P)^2^+0.0974P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1062
_refine_ls_wR_factor_ref         0.1114
_reflns_number_gt                2574
_reflns_number_total             3065
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo901826d_si_002.cif
_cod_data_source_block           burk03
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_space_group.centring_type' value 'primitive' was replaced with the
value 'P' as specified in the replacement file
'/home/antanas/src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5642 2017-10-24 12:04:52Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               4025079