Intermolecular/Intramolecular sequential aldol reaction.
Izumiseki, Atsuto; Yamamoto, Hisashi; Journal of the American Chemical Society 136 (2014) 1308–1311; doi:10.1021/ja413008a

data_4120467
_publ_section_title
;
 Intermolecular/Intramolecular sequential aldol reaction.
;
_journal_issue                   4
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              1308
_journal_page_last               1311
_journal_paper_doi               10.1021/ja413008a
_journal_volume                  136
_journal_year                    2014
_chemical_formula_moiety         'C38 H76 O3 Si8'
_chemical_formula_sum            'C38 H76 O3 Si8'
_chemical_formula_weight         805.70
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                106.249(8)
_cell_angle_beta                 100.111(7)
_cell_angle_gamma                103.789(7)
_cell_formula_units_Z            2
_cell_length_a                   9.3625(10)
_cell_length_b                   15.5302(16)
_cell_length_c                   19.150(2)
_cell_measurement_reflns_used    22289
_cell_measurement_temperature    173
_cell_measurement_theta_max      27.90
_cell_measurement_theta_min      3.00
_cell_volume                     2507.0(5)
_computing_cell_refinement       PROCESS-AUTO
_computing_data_collection       PROCESS-AUTO
_computing_data_reduction        PROCESS-AUTO
_computing_molecular_graphics    'CrystalStructure 4.0'
_computing_publication_material  'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla, et al., 2005)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 6.849
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Rigaku XtaLAB mini'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0536
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            26203
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.244
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.596
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.067
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             880.00
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.650
_refine_diff_density_min         -0.530
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.137
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     442
_refine_ls_number_reflns         11427
_refine_ls_number_restraints     0
_refine_ls_R_factor_gt           0.0608
_refine_ls_shift/su_max          0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0450P)^2^+2.6720P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1559
_reflns_number_gt                9393
_reflns_number_total             11427
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            ja413008a_si_007.cif
_cod_data_source_block           625
_cod_database_code               4120467