Platinum(II) Chloride-Catalyzed Stereoselective Domino Enyne Isomerization/Diels-Alder Reaction
Mathias Schelwies; Andreas Farwick; Frank Rominger; Günter Helmchen; Journal of Organic Chemistry 75 (2010) 7917–7919; doi:10.1021/jo1014068

data_4025795
_publ_section_title
;
 Platinum(II) Chloride-Catalyzed Stereoselective Domino Enyne
 Isomerization/Diels-Alder Reaction
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7917
_journal_page_last               7919
_journal_paper_doi               10.1021/jo1014068
_journal_volume                  75
_journal_year                    2010
_chemical_absolute_configuration syn
_chemical_formula_sum            'C27 H25 N O6'
_chemical_formula_weight         459.48
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 90.820(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.523(3)
_cell_length_b                   7.8698(14)
_cell_length_c                   19.165(4)
_cell_measurement_reflns_used    1741
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      24.96
_cell_measurement_theta_min      2.48
_cell_volume                     2341.0(8)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'omega scans'
_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  0.0692
_diffrn_reflns_av_sigmaI/netI    0.0955
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            15435
_diffrn_reflns_theta_full        22.78
_diffrn_reflns_theta_max         22.78
_diffrn_reflns_theta_min         1.06
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9963
_exptl_absorpt_correction_T_min  0.9614
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (2008). <i>SADABS</i>. University of G\"ottingen, Germany.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       polyhedron
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.191
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -1.4(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     617
_refine_ls_number_reflns         6296
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.115
_refine_ls_R_factor_all          0.1000
_refine_ls_R_factor_gt           0.0689
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0263P)^2^+0.7362P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1069
_refine_ls_wR_factor_ref         0.1175
_reflns_number_gt                4691
_reflns_number_total             6296
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo1014068_si_001.cif
_cod_data_source_block           msh4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        2341.0(7)
_cod_database_code               4025795