Samarium diiodide coupling of enones: a remarkable cascade sequence.
Howells, Dean M.; Barker, Sarah M.; Watson, Faye C.; Light, Mark E.; Hursthouse, Michael B.; Kilburn, Jeremy D.; Organic letters 6 (2004) 1943–1945; doi:10.1021/ol049563w

data_1507104
_publ_section_title
;
 Samarium diiodide coupling of enones: a remarkable cascade sequence.
;
_journal_issue                   12
_journal_name_full               'Organic letters'
_journal_page_first              1943
_journal_page_last               1945
_journal_paper_doi               10.1021/ol049563w
_journal_volume                  6
_journal_year                    2004
_chemical_formula_sum            'C17 H19 N O5'
_chemical_formula_weight         317.33
_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                 93.835(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.6129(5)
_cell_length_b                   18.6167(15)
_cell_length_c                   21.6505(16)
_cell_measurement_temperature    120(2)
_cell_volume                     3061.6(4)
_computing_cell_refinement       'DENZO (Otwinowski and MInor, 1997)'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO, COLLECT, MAXUS (Mackay et al., 1998)'
_computing_molecular_graphics    'CAMERON (Watkin, et al., 1993)'
_computing_publication_material  'WINGX (Farrugia, 1998)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker Nonius Kappa CCD Area detector'
_diffrn_measurement_method       '\f and \w scans to fill the asymmetric unit'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker Nonius FR591 Rotating ANode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0962
_diffrn_reflns_av_sigmaI/netI    0.1515
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            9852
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.9970
_exptl_absorpt_correction_T_min  0.9899
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_density_diffrn    1.377
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1344
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.408
_refine_diff_density_rms         0.095
_refine_ls_extinction_coef       none
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     417
_refine_ls_number_reflns         5295
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.2361
_refine_ls_R_factor_gt           0.1343
_refine_ls_shift/su_max          0.989
_refine_ls_shift/su_mean         0.016
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1123P)^2^+30.2946P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3323
_refine_ls_wR_factor_ref         0.3783
_reflns_number_gt                2614
_reflns_number_total             5295
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol049563wsi20040324_035305.cif
_cod_data_source_block           s92
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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               1507104