Electrophilic carbocyclization of aryl propargylic alcohols: a facile synthesis of diiodinated carbocycles and heterocycles.
Zhu, Hai-Tao; Ji, Ke-Gong; Yang, Fang; Wang, Li-Jing; Zhao, Shu-Chun; Ali, Shaukat; Liu, Xue-Yuan; Liang, Yong-Min; Organic letters 13 (2011) 684–687; doi:10.1021/ol1029194

data_1501926
_publ_section_title
;
 Electrophilic carbocyclization of aryl propargylic alcohols: a facile
 synthesis of diiodinated carbocycles and heterocycles.
;
_journal_issue                   4
_journal_name_full               'Organic letters'
_journal_page_first              684
_journal_page_last               687
_journal_paper_doi               10.1021/ol1029194
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C16 H12 I2 O'
_chemical_formula_weight         474.06
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 120.169(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.7109(10)
_cell_length_b                   6.0157(2)
_cell_length_c                   20.2899(9)
_cell_measurement_reflns_used    2712
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.89
_cell_measurement_theta_min      2.92
_cell_volume                     3029.7(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            8375
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         26.50
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    4.141
_exptl_absorpt_correction_T_max  0.6363
_exptl_absorpt_correction_T_min  0.4627
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.079
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1776
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.820
_refine_diff_density_min         -0.556
_refine_diff_density_rms         0.097
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     172
_refine_ls_number_reflns         3136
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0462
_refine_ls_R_factor_gt           0.0304
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0310P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0624
_refine_ls_wR_factor_ref         0.0684
_reflns_number_gt                2431
_reflns_number_total             3136
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol1029194_si_002.cif
_cod_data_source_block           c2c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1501926