Gold(I)-Catalyzed Cycloisomerization of 1,7- and 1,8-Enynes: Application to the Synthesis of a New Allocolchicinoid
François-Didier Boyer; Xavier LeGoff; Issam Hanna; Journal of Organic Chemistry 73 (2008) 5163–5166; doi:10.1021/jo800797c

data_4023521
_publ_contact_author_address
;Laboratoire DCPH
Ecole Polytechnique
Route de Saclay
F91128 Palaiseau
France
;
_publ_contact_author_email       xavier-frederic.legoff@polytechnique.edu
_publ_contact_author_fax         330169334440
_publ_contact_author_name        'Xavier F. Le Goff'
_publ_contact_author_phone       330169334413
_publ_section_title
;
 Gold(I)-Catalyzed Cycloisomerization of 1,7- and 1,8-Enynes:
 Application to the Synthesis of a New Allocolchicinoid
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5163
_journal_page_last               5166
_journal_paper_doi               10.1021/jo800797c
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C21 H22 O5'
_chemical_formula_sum            'C21 H22 O5'
_chemical_formula_weight         354.39
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2008-04-14
_audit_creation_method           SHELXL-97
_cell_angle_alpha                101.076(1)
_cell_angle_beta                 103.489(1)
_cell_angle_gamma                97.397(1)
_cell_formula_units_Z            2
_cell_length_a                   7.295(1)
_cell_length_b                   10.343(1)
_cell_length_c                   12.380(1)
_cell_measurement_reflns_used    4396
_cell_measurement_temperature    150.0(1)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     876.55(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150.0(1)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  KappaCCD
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.0285
_diffrn_reflns_av_sigmaI/netI    0.0641
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8471
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.98
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_T_max  0.9924
_exptl_absorpt_correction_T_min  0.9793
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             376
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.215
_refine_diff_density_min         -0.356
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         4019
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.025
_refine_ls_R_factor_all          0.0957
_refine_ls_R_factor_gt           0.0505
_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^)+(0.0605P)^2^+0.0147P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1167
_refine_ls_wR_factor_ref         0.1336
_reflns_number_gt                2427
_reflns_number_total             4019
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo800797c-File001.cif
_cod_data_source_block           c21h22o5
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_database_code               4023521