Total synthesis of the proposed structure of a polyketide from Phialomyces macrosporus
Abe, Hideki; Itaya, Satoko; Sasaki, Kei; Kobayashi, Toyoharu; Ito, Hisanaka; Chemical Communications (Cambridge, United Kingdom) 51 (2015) 3586–3589; doi:10.1039/c5cc00129c

data_7116562
_publ_section_title
;
 Total synthesis of the proposed structure of a polyketide from
 Phialomyces macrosporus
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   17
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              3586
_journal_page_last               3589
_journal_paper_doi               10.1039/c5cc00129c
_journal_volume                  51
_journal_year                    2015
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C15 H26 O5 Si'
_chemical_formula_sum            'C15 H26 O5 Si'
_chemical_formula_weight         314.45
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             '9 February 2011'
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-12-17 deposited with the CCDC.
2015-01-22 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   15.0354(13)
_cell_length_b                   6.2653(5)
_cell_length_c                   36.895(3)
_cell_measurement_reflns_used    9973
_cell_measurement_temperature    90
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.71
_cell_volume                     3475.6(5)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      90
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  'Bruker Helios multilayer confocal mirror'
_diffrn_radiation_source         'Bruker TXS fine-focus rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0211
_diffrn_reflns_av_sigmaI/netI    0.0253
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       47
_diffrn_reflns_limit_l_min       -47
_diffrn_reflns_number            18545
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         1.10
_exptl_absorpt_coefficient_mu    0.152
_exptl_absorpt_correction_T_max  0.9717
_exptl_absorpt_correction_T_min  0.9572
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.202
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.29
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.329
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.75(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     396
_refine_ls_number_reflns         7833
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0327
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0570P)^2^+0.4476P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0866
_reflns_number_gt                7498
_reflns_number_total             7833
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5cc00129c2.cif
_cod_data_source_block           pca21
_cod_original_cell_volume        3475.5(5)
_cod_original_sg_symbol_Hall     'P 2c -2ac '
_cod_original_sg_symbol_H-M      'P c a 21    '
_cod_database_code               7116562