As many as six tandem reactions in one step! Unprecedented formation of highly functionalized benzothiophenes.
Gopinath, Pushparathinam; Nilaya, Surapaneni; Debi, Tripathy Ranjan; Ramkumar, Venkatachalam; Muraleedharan, Kannoth Manheri; Chemical communications (Cambridge, England)  (2009) 7131–7133; doi:10.1039/b914424b

data_7105061
_publ_section_title
;
 As many as six tandem reactions in one step! Unprecedented formation
 of highly functionalized benzothiophenes.
;
_journal_issue                   46
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              7131
_journal_page_last               7133
_journal_paper_doi               10.1039/b914424b
_journal_year                    2009
_chemical_formula_moiety         'C14 H12 O4 S'
_chemical_formula_sum            'C14 H12 O4 S'
_chemical_formula_weight         276.30
_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                 92.133(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.2014(9)
_cell_length_b                   9.5258(12)
_cell_length_c                   18.552(2)
_cell_measurement_reflns_used    1217
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      19.98
_cell_measurement_theta_min      2.40
_cell_volume                     1271.8(3)
_computing_cell_refinement       APEXII,Bruker,2004
_computing_data_collection       APEXII,Bruker,2004
_computing_data_reduction        'SAINT PLUS ,Bruker,2004'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.915
_diffrn_measured_fraction_theta_max 0.874
_diffrn_measurement_device_type  'Bruker ApexII 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  0.0553
_diffrn_reflns_av_sigmaI/netI    0.0966
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            7891
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.98
_diffrn_reflns_theta_min         2.20
_exptl_absorpt_coefficient_mu    0.261
_exptl_absorpt_correction_T_max  0.9496
_exptl_absorpt_correction_T_min  0.9376
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (BRUKER,1999)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.443
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.238
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.988
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         2682
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.988
_refine_ls_R_factor_all          0.1552
_refine_ls_R_factor_gt           0.0522
_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^)+(0.0445P)^2^+1.0318P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1022
_refine_ls_wR_factor_ref         0.1460
_reflns_number_gt                1200
_reflns_number_total             2682
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b914424b.txt
_cod_data_source_block           272b
_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.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed
to 'multi-scan' 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_Hall     '-P 2ybc '
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7105061