Clean and efficient assembly of functionalized benzofuro[2,3-c]pyridines via metal-free one-pot domino reactions
Rao, Yin; Li, Zhexian; Yin, Guodong; Green Chemistry 16 (2014) 2213–; doi:10.1039/c3gc42234h

data_7214309
_publ_section_title
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 Clean and efficient assembly of functionalized benzofuro[2,3-c]pyridines
 via metal-free one-pot domino reactions
;
_journal_issue                   4
_journal_name_full               'Green Chemistry'
_journal_page_first              2213
_journal_paper_doi               10.1039/c3gc42234h
_journal_volume                  16
_journal_year                    2014
_chemical_formula_sum            'C23 H15 N O'
_chemical_formula_weight         321.36
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.439(5)
_cell_length_b                   5.3555(11)
_cell_length_c                   13.393(3)
_cell_measurement_reflns_used    2929
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.12
_cell_measurement_theta_min      2.37
_cell_volume                     1609.5(6)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0363
_diffrn_reflns_av_sigmaI/netI    0.0405
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            13832
_diffrn_reflns_theta_full        28.67
_diffrn_reflns_theta_max         28.67
_diffrn_reflns_theta_min         1.82
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9919
_exptl_absorpt_correction_T_min  0.9840
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.326
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   2.5(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     226
_refine_ls_number_reflns         4094
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0760
_refine_ls_R_factor_gt           0.0469
_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^)+(0.0636P)^2^+0.0913P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1140
_refine_ls_wR_factor_ref         0.1293
_reflns_number_gt                2846
_reflns_number_total             4094
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3gc42234h.txt
_cod_data_source_block           e:\130918d\work\t
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      Pca2(1)
_cod_database_code               7214309