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_4109783
_publ_contact_author_address
;
College of Chemistry
Peking University
202 Chengfu Road
Haidian District
Beijing, 100871
P.R. China
;
_publ_contact_author_email       yuzx@pku.edu.cn
_publ_contact_author_fax         '(86)10 6275 1708'
_publ_contact_author_name        'Zhi-Xiang Yu'
_publ_contact_author_phone       ' (86)10 6275 2612'
_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        synthesis
_chemical_formula_moiety         'C17 H20 O2'
_chemical_formula_sum            'C17 H20 O2'
_chemical_formula_weight         256.33
_chemical_melting_point          361
_chemical_name_common            '5+2+1 product'
_chemical_name_systematic
cis-1-methyl-6-oxo-3-phenyl-10-oxabicyclo[6.3.0]undec-2-ene
_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                 98.86(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6264(17)
_cell_length_b                   11.231(2)
_cell_length_c                   14.416(3)
_cell_measurement_reflns_used    7408
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.31
_cell_volume                     1380.0(5)
_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 0.980
_diffrn_measured_fraction_theta_max 0.980
_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  0.0370
_diffrn_reflns_av_sigmaI/netI    0.0599
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            7408
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.31
_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    0.079
_exptl_absorpt_correction_T_max  0.984
_exptl_absorpt_correction_T_min  0.969
_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    1.234
_exptl_crystal_description       block
_exptl_crystal_F_000             552
_exptl_crystal_recrystallization_method 'petroleum ether and EtOAc'
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.132
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.033
_refine_ls_extinction_coef       0.041(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   0.987
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2390
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.987
_refine_ls_R_factor_all          0.0820
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0914
_refine_ls_wR_factor_ref         0.0981
_reflns_number_gt                1303
_reflns_number_total             2390
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja072505wsi20070410_093741.cif
_cod_data_source_block           a
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4109783