Controllable One-Step Synthesis of Spirocycles, Polycycles, and Di- and Tetrahydronaphthalenes from Aryl-Substituted Propargylic Alcohols
Wen Huang; Pengzhi Zheng; Zhengxing Zhang; Ruiting Liu; Zhenxia Chen; Xigeng Zhou; Journal of Organic Chemistry 73 (2008) 6845–6848; doi:10.1021/jo801210n

data_4023660
_publ_section_title
;
 Controllable One-Step Synthesis of Spirocycles, Polycycles,
 and Di- and Tetrahydronaphthalenes from Aryl-Substituted
 Propargylic Alcohols
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              6845
_journal_page_last               6848
_journal_paper_doi               10.1021/jo801210n
_journal_volume                  73
_journal_year                    2008
_chemical_formula_sum            'C30 H28 O4'
_chemical_formula_weight         452.52
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 107.938(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.875(6)
_cell_length_b                   7.837(3)
_cell_length_c                   20.502(8)
_cell_measurement_reflns_used    819
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      22.009
_cell_measurement_theta_min      2.801
_cell_volume                     2426.8(16)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_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     0.71073
_diffrn_reflns_av_R_equivalents  0.0482
_diffrn_reflns_av_sigmaI/netI    0.0503
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            10646
_diffrn_reflns_theta_full        26.01
_diffrn_reflns_theta_max         26.01
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9935
_exptl_absorpt_correction_T_min  0.9839
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.239
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       column
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.498
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.944
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         4782
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.944
_refine_ls_R_factor_all          0.0872
_refine_ls_R_factor_gt           0.0572
_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^)+(0.1033P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1555
_refine_ls_wR_factor_ref         0.1724
_reflns_number_gt                2940
_reflns_number_total             4782
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo801210n_si_001.cif
_cod_data_source_block           f80306a
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4023660