trans-RhCl(CO)(PPh3)2-Catalyzed Monomeric and Dimeric Cycloisomerization of Propargylic 2,3-Dienoates. Establishment of α,β-Unsaturated δ-Lactone Rings by Cyclometallation
Xuefeng Jiang; Shengming Ma; Journal of the American Chemical Society 129 (2007) 11600–11607; doi:10.1021/ja073582u

data_4109930
_publ_section_title
;
 trans-RhCl(CO)(PPh3)2-Catalyzed Monomeric and Dimeric Cycloisomerization
 of Propargylic 2,3-Dienoates. Establishment of \a,\b-Unsaturated
 \d-Lactone Rings by Cyclometallation
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              11600
_journal_page_last               11607
_journal_paper_doi               10.1021/ja073582u
_journal_volume                  129
_journal_year                    2007
_chemical_formula_sum            'C40 H32 O4'
_chemical_formula_weight         576.66
_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                 98.854(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4483(13)
_cell_length_b                   30.370(3)
_cell_length_c                   8.4474(10)
_cell_measurement_reflns_used    770
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      36.736
_cell_measurement_theta_min      5.365
_cell_volume                     2902.0(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.1430
_diffrn_reflns_av_sigmaI/netI    0.2117
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       36
_diffrn_reflns_limit_k_min       -36
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            15200
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.80
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.81387
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.320
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             1216
_exptl_crystal_size_max          0.202
_exptl_crystal_size_mid          0.064
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.303
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.060
_refine_ls_extinction_coef       0.0026(7)
_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   0.908
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     398
_refine_ls_number_reflns         5383
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.929
_refine_ls_R_factor_all          0.2057
_refine_ls_R_factor_gt           0.0854
_refine_ls_shift/su_max          0.024
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0556P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1591
_refine_ls_wR_factor_ref         0.2011
_reflns_number_gt                3047
_reflns_number_total             5383
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja073582usi20070518_113843.cif
_cod_data_source_block           cd26511
_cod_database_code               4109930