Gold-catalyzed isomerization of unactivated allenes into 1,3-dienes under ambient conditions
Chun-Ming Ting; Yi-Ling Hsu; Rai-Shung Liu; Chem.Commun. 48 (2012) 6577–; doi:10.1039/c2cc32131a

data_7107881
_publ_section_title
;
 Gold-catalyzed isomerization of unactivated allenes into 1,3-dienes under
 ambient conditions
;
_journal_name_full               Chem.Commun.
_journal_page_first              6577
_journal_paper_doi               10.1039/c2cc32131a
_journal_volume                  48
_journal_year                    2012
_chemical_absolute_configuration rm
_chemical_formula_sum            'C21 H19 N O2'
_chemical_formula_weight         317.37
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 94.442(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7876(18)
_cell_length_b                   8.3007(14)
_cell_length_c                   19.986(4)
_cell_measurement_reflns_used    1486
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.3623
_cell_measurement_theta_min      2.2517
_cell_volume                     1618.9(5)
_computing_cell_refinement       'SAINT V7.34A (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V7.34A (Bruker AXS, 2006)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0399
_diffrn_reflns_av_sigmaI/netI    0.0390
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            3637
_diffrn_reflns_theta_full        26.54
_diffrn_reflns_theta_max         26.54
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.6525
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'TWINABS V2008/4 (Bruker AXS)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.302
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Lump
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.153
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.5(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     436
_refine_ls_number_reflns         3637
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0395
_refine_ls_R_factor_gt           0.0337
_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^)+(0.0422P)^2^+0.0397P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0704
_refine_ls_wR_factor_ref         0.0727
_reflns_number_gt                3357
_reflns_number_total             3637
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc32131a.txt
_cod_data_source_block           twin5
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1618.8(5)
_cod_database_code               7107881