Tandem catalytic carbene addition/bicyclization of enynes. One-step synthesis of fluorinated bicyclic amino esters by ruthenium catalysis.
Eckert, Matthieu; Monnier, Florian; Shchetnikov, Grigorii T.; Titanyuk, Igor D.; Osipov, Serguej N.; Toupet, Loïc; Dérien, Sylvie; Dixneuf, Pierre H.; Organic letters 7 (2005) 3741–3743; doi:10.1021/ol051393f

data_1506663
_publ_section_title
;
 Tandem catalytic carbene addition/bicyclization of enynes. One-step
 synthesis of fluorinated bicyclic amino esters by ruthenium catalysis.
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_journal_issue                   17
_journal_name_full               'Organic letters'
_journal_page_first              3741
_journal_page_last               3743
_journal_paper_doi               10.1021/ol051393f
_journal_volume                  7
_journal_year                    2005
_chemical_formula_sum            'C20 H26 F3 N O4 S Si'
_chemical_formula_weight         461.57
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 117.7040(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.5342(4)
_cell_length_b                   11.9275(3)
_cell_length_c                   14.7603(3)
_cell_measurement_temperature    120(1)
_cell_volume                     2265.46(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0231
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            5182
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.31
_exptl_absorpt_coefficient_mu    0.246
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.353
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.25
_refine_diff_density_max         1.803
_refine_diff_density_min         -0.527
_refine_diff_density_rms         0.113
_refine_ls_extinction_coef       0.023(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.134
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         5182
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.134
_refine_ls_R_factor_all          0.1051
_refine_ls_R_factor_gt           0.0980
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1004P)^2^+9.3022P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2564
_refine_ls_wR_factor_ref         0.2614
_reflns_number_gt                4670
_reflns_number_total             5182
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol051393fsi20050615_050030.cif
_cod_data_source_block           me171
_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_sg_symbol_H-M      P21/c
_cod_database_code               1506663