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_4109932
_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            'C34 H36 O4'
_chemical_formula_weight         508.63
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.980(8)
_cell_length_b                   9.097(2)
_cell_length_c                   21.175(5)
_cell_measurement_reflns_used    2245
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      47.840
_cell_measurement_theta_min      4.581
_cell_volume                     5582(2)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.1745
_diffrn_reflns_av_sigmaI/netI    0.1418
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -35
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            29213
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7571
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.210
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             2176
_exptl_crystal_size_max          0.390
_exptl_crystal_size_mid          0.191
_exptl_crystal_size_min          0.067
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.250
_refine_diff_density_rms         0.071
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -10(10)
_refine_ls_extinction_coef       0.0110(10)
_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   0.803
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     694
_refine_ls_number_reflns         5646
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.821
_refine_ls_R_factor_all          0.1616
_refine_ls_R_factor_gt           0.0765
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1061P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1711
_refine_ls_wR_factor_ref         0.2112
_reflns_number_gt                2036
_reflns_number_total             5646
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja073582usi20070518_113941.cif
_cod_data_source_block           cd27172
_cod_original_cell_volume        5582(3)
_cod_database_code               4109932