A Computationally Designed Rh(I)-Catalyzed Two-Component [5+2+1] Cycloaddition of Ene-vinylcyclopropanes and CO for the Synthesis of Cyclooctenones
Yuanyuan Wang; Jingxin Wang; Jiachun Su; Feng Huang; Lei Jiao; Yong Liang; Dazhi Yang; Shiwei Zhang; Paul A. Wender; Zhi-Xiang Yu; Journal of the American Chemical Society 129 (2007) 10060–10061; doi:10.1021/ja072505w

data_4109784
_publ_contact_author_address
'College of Chemistry, Peking UniVersity, Beijing 100871, China'
_publ_contact_author_email       yuzx@pku.edu.cn
_publ_contact_author_fax         86-10-62751708
_publ_contact_author_name        'Zhi-Xiang Yu'
_publ_contact_author_phone       86-10-62752612
_publ_section_title
;
 A Computationally Designed Rh(I)-Catalyzed Two-Component [5+2+1]
 Cycloaddition of Ene-vinylcyclopropanes and CO for the Synthesis of
 Cyclooctenones
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              10060
_journal_page_last               10061
_journal_paper_doi               10.1021/ja072505w
_journal_volume                  129
_journal_year                    2007
_chemical_compound_source        synthetic
_chemical_formula_moiety         'C16 H22 O5'
_chemical_formula_sum            'C16 H22 O5'
_chemical_formula_weight         294.34
_chemical_melting_point          401
_chemical_name_common            '[5+2+1] cycloadduct'
_chemical_name_systematic
'Dimethyl trans-3-oxo-7-methylbicyclo[6.3.0]undec-6-ene-10,10-dicarboxylate'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 104.52(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.355(3)
_cell_length_b                   7.8404(16)
_cell_length_c                   15.210(3)
_cell_measurement_reflns_used    9192
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.34
_cell_volume                     1541.7(6)
_computing_cell_refinement       Rapid-AUTO
_computing_data_collection       'Rapid-AUTO (Rigaku,2000)'
_computing_data_reduction        'CrystalStructure (Rigaku/MSC,2000)'
_computing_molecular_graphics    'Siemens SHELXTL V4.2,(Sheldrick,1990)'
_computing_publication_material  SHELXL-97,(Sheldrick,1997)
_computing_structure_refinement  SHELXL-97,(Sheldrick,1997)
_computing_structure_solution    SHELXS-97,(Sheldrick,1997)
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.00
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku RAXIS RAPID IP'
_diffrn_measurement_method       \W
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0501
_diffrn_reflns_av_sigmaI/netI    0.0473
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9192
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.34
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  0.972
_exptl_absorpt_correction_T_min  0.955
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
; 
                                  HIGASHI, T. (1995). Abscor-empirical
                                  Absorption Correction based on Fourier
                                  Series Approximation.
                                  Rigaku Corporation,Tokyo,Japan.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.268
_exptl_crystal_description       block
_exptl_crystal_F_000             632
_exptl_crystal_recrystallization_method 'from ethyl acetate and petroleum ether'
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.35
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.286
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.008(3)
_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   1.010
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         2716
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0859
_refine_ls_R_factor_gt           0.0557
_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^)+(0.0900P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1518
_refine_ls_wR_factor_ref         0.1652
_reflns_number_gt                1592
_reflns_number_total             2716
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja072505wsi20070410_093801.cif
_cod_data_source_block           a
_cod_original_cell_volume        1541.7(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4109784