Preparation of functional benzofurans and indoles via chemoselective intramolecular Wittig reactions
Yu-Ting Lee; Yeong-Jiunn Jang; Siang-en Syu; Shu-Chi Chou; Chia-Jui Lee; Wenwei Lin; Chem.Commun. 48 (2012) 8135–; doi:10.1039/c2cc33972b

data_7108141
_publ_section_title
;
 Preparation of functional benzofurans and indoles via chemoselective
 intramolecular Wittig reactions
;
_journal_name_full               Chem.Commun.
_journal_page_first              8135
_journal_paper_doi               10.1039/c2cc33972b
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C27 H23 N O5'
_chemical_formula_sum            'C27 H23 N O5'
_chemical_formula_weight         441.46
_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                 90.200(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   7.0371(10)
_cell_length_b                   18.781(3)
_cell_length_c                   34.661(6)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     4580.9(13)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_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  0.0555
_diffrn_reflns_av_sigmaI/netI    0.0686
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       41
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            26368
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         1.23
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9921
_exptl_absorpt_correction_T_min  0.9671
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1856
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.371
_refine_diff_density_min         -0.354
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.938
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     594
_refine_ls_number_reflns         8007
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.938
_refine_ls_R_factor_all          0.1182
_refine_ls_R_factor_gt           0.0571
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0853P)^2^+1.4729P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1373
_refine_ls_wR_factor_ref         0.1714
_reflns_number_gt                4563
_reflns_number_total             8007
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2cc33972b.txt
_cod_data_source_block           a13063b
_cod_original_cell_volume        4580.9(12)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7108141