Facile formation of iodocyclobutenes by a ruthenium-catalyzed enyne cycloisomerization
Fürstner, Alois; Schlecker, Andreas; Lehmann, Christian W.; Chemical Communications (Cambridge, United Kingdom)  (2007) 4277–4279; doi:10.1039/b708903a

data_7102224
_publ_section_title
;
 Facile formation of iodocyclobutenes by a ruthenium-catalyzed enyne
 cycloisomerization
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   41
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              4277
_journal_page_last               4279
_journal_paper_doi               10.1039/b708903a
_journal_year                    2007
_chemical_absolute_configuration unk
_chemical_formula_sum            'C13 H12 I N O'
_chemical_formula_weight         325.14
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      9
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     patterson
_atom_sites_solution_secondary   difmap
_audit_creation_date             2007-06-08
_cell_angle_alpha                90.00
_cell_angle_beta                 104.469(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.4838(8)
_cell_length_b                   8.0709(3)
_cell_length_c                   12.1166(4)
_cell_measurement_reflns_used    4568
_cell_measurement_temperature    100
_cell_measurement_theta_max      63.35
_cell_measurement_theta_min      3.796
_cell_volume                     2318.38(14)
_computing_cell_refinement       'PROTEUM2 (Bruker AXS, 2004)'
_computing_data_collection       'PROTEUM2 (Bruker AXS, 2004)'
_computing_data_reduction        'SAINT software (Bruker AXS, 2004)'
_computing_molecular_graphics    'DIAMOND (Crystal Impact GbR, 2005)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_diffrn_measurement_device_type  'Bruker AXS X8 Proteum'
_diffrn_measurement_method       'CCD \f- and \w-scans'
_diffrn_radiation_monochromator  'focusing multilayer optic'
_diffrn_radiation_source         '0.2 x 2mm^2^ focus rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0372
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9608
_diffrn_reflns_theta_full        63.26
_diffrn_reflns_theta_max         63.26
_diffrn_reflns_theta_min         3.73
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    21.516
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker AXS (2004)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.863
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       block
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.100
_exptl_crystal_size_mid          0.072
_exptl_crystal_size_min          0.025
_refine_diff_density_max         1.485
_refine_diff_density_min         -0.703
_refine_diff_density_rms         0.126
_refine_ls_abs_structure_details 'Flack, H. D. (1983). Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02900(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         2821
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0382
_refine_ls_R_factor_gt           0.0321
_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^)+(0.0464P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0776
_refine_ls_wR_factor_ref         0.0811
_reflns_number_gt                2474
_reflns_number_total             2821
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b708903a.txt
_cod_data_source_block           5709
_cod_depositor_comments
;
The following automatic conversions were performed:
'_geom_bond_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (24
times).

'_geom_angle_publ_flag' value 'N' changed to 'n' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29 (54 times).

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      Cc
_cod_database_code               7102224