Diastereoselective Flexible Synthesis of Carbocyclic C-Nucleosides.
Maier, Lukáš; Khirsariya, Prashant; Hylse, Ondřej; Adla, Santosh Kumar; Černová, Lenka; Poljak, Michal; Krajčovičová, Soňa; Weis, Erik; Drápela, Stanislav; Souček, Karel; Paruch, Kamil; The Journal of organic chemistry 82 (2017) 3382–3402; doi:10.1021/acs.joc.6b02594

data_4032471
_publ_section_title
;
 Diastereoselective Flexible Synthesis of Carbocyclic C-Nucleosides.
;
_journal_issue                   7
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              3382
_journal_page_last               3402
_journal_paper_doi               10.1021/acs.joc.6b02594
_journal_volume                  82
_journal_year                    2017
_chemical_formula_sum            'C24 H42 O4 Si2'
_chemical_formula_weight         450.76
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 109.914(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.6577(2)
_cell_length_b                   26.6774(5)
_cell_length_c                   10.5938(2)
_cell_measurement_temperature    120(2)
_cell_volume                     2566.21(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0212
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            23480
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    0.164
_exptl_absorpt_correction_T_max  0.9758
_exptl_absorpt_correction_T_min  0.9601
_exptl_crystal_density_diffrn    1.167
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             984
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.476
_refine_diff_density_min         -0.443
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         4677
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0501
_refine_ls_R_factor_gt           0.0462
_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^)+(0.0757P)^2^+1.2818P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1212
_refine_ls_wR_factor_ref         0.1260
_reflns_number_gt                4217
_reflns_number_total             4677
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo6b02594_si_005.cif
_cod_data_source_block           pk0339
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        2566.20(9)
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4032471