Synthesis of a Small-Molecule Library with Skeletal Diversity from Hemslecin A via the Reaction-Discovery Strategy.
Ren, Jian; Shi, Xin; Li, Xiao-Nian; Li, Lai-Wei; Su, Jia; Shao, Li-Dong; Zhao, Qin-Shi; Organic letters 18 (2016) 3948–3951; doi:10.1021/acs.orglett.6b01654

data_1555625
_publ_section_title
;
 Synthesis of a Small-Molecule Library with Skeletal Diversity from
 Hemslecin A via the Reaction-Discovery Strategy.
;
_journal_issue                   16
_journal_name_full               'Organic letters'
_journal_page_first              3948
_journal_page_last               3951
_journal_paper_doi               10.1021/acs.orglett.6b01654
_journal_volume                  18
_journal_year                    2016
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C28 H38 O8'
_chemical_formula_sum            'C28 H38 O8'
_chemical_formula_weight         502.58
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_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            8
_cell_length_a                   8.3520(9)
_cell_length_b                   14.9946(17)
_cell_length_c                   40.870(5)
_cell_measurement_reflns_used    9937
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.21
_cell_measurement_theta_min      2.41
_cell_volume                     5118.4(10)
_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      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0537
_diffrn_reflns_av_sigmaI/netI    0.0499
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       54
_diffrn_reflns_limit_l_min       -54
_diffrn_reflns_number            50733
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         1.00
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9925
_exptl_absorpt_correction_T_min  0.9146
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       sheet
_exptl_crystal_F_000             2160
_exptl_crystal_size_max          0.96
_exptl_crystal_size_mid          0.42
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.323
_refine_diff_density_min         -0.275
_refine_diff_density_rms         0.060
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     665
_refine_ls_number_reflns         12644
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0463
_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^)+(0.0697P)^2^+0.0272P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1112
_refine_ls_wR_factor_ref         0.1193
_reflns_number_gt                10782
_reflns_number_total             12644
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b01654_si_008.cif
_cod_data_source_block           mo_frj87_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        5118.3(10)
_cod_database_code               1555625