Small-molecule diversity using a skeletal transformation strategy.
Kumar, Nilesh; Kiuchi, Masatoshi; Tallarico, John A.; Schreiber, Stuart L.; Organic letters 7 (2005) 2535–2538; doi:10.1021/ol0504345

data_1506558
_publ_section_title
;
 Small-molecule diversity using a skeletal transformation strategy.
;
_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              2535
_journal_page_last               2538
_journal_paper_doi               10.1021/ol0504345
_journal_volume                  7
_journal_year                    2005
_chemical_formula_sum            'C39 H52 O3'
_chemical_formula_weight         568.81
_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                 97.679(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   14.251(1)
_cell_length_b                   6.4802(5)
_cell_length_c                   19.219(1)
_cell_measurement_reflns_used    35
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      12.00
_cell_measurement_theta_min      2.98
_cell_volume                     1758.9(2)
_computing_cell_refinement       'SMART (Bruker, V4.050, 1995)'
_computing_data_collection       'ASTRO (Bruker, V4.050, 1995)'
_computing_data_reduction        'SAINT (Bruker, V5.A06, 1997)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1998, ver 5.10)'
_computing_publication_material  'CIFTAB (Sheldrick, 1993)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.875
_diffrn_measured_fraction_theta_max 0.875
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w, 0.3 deg'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0738
_diffrn_reflns_av_sigmaI/netI    0.0830
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            5528
_diffrn_reflns_theta_full        22.49
_diffrn_reflns_theta_max         22.49
_diffrn_reflns_theta_min         1.44
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.074
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.435
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -2(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     379
_refine_ls_number_reflns         3072
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.1032
_refine_ls_R_factor_gt           0.0697
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1242P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1737
_refine_ls_wR_factor_ref         0.1952
_reflns_number_gt                2183
_reflns_number_total             3072
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol0504345si20050505_024405.cif
_cod_data_source_block           sls7
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1759.0(2)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               1506558