Simple and Convenient Approach to the Kr€ohnke Pyridine Type Synthesis of Functionalized Indol-3-yl Pyridine Derivatives Using 3-Cyanoacetyl Indole
Thirumurugan, Prakasam; Nandakumar, A.; Muralidharan, D.; Perumal, Paramasivan T.; Journal of Combinatorial Chemistry 12 (2010) 161–; doi:10.1021/cc9001394

data_1502638
_publ_section_title
;
 Simple and Convenient Approach to the Kr&#x20AC;ohnke Pyridine Type
 Synthesis of Functionalized Indol-3-yl Pyridine Derivatives Using
 3-Cyanoacetyl Indole
;
_journal_coeditor_code           BT2842
_journal_issue                   1
_journal_name_full               'Journal of Combinatorial Chemistry'
_journal_page_first              161
_journal_paper_doi               10.1021/cc9001394
_journal_volume                  12
_journal_year                    2010
_chemical_formula_iupac          'C25 H15 Br N4'
_chemical_formula_moiety         'C25 H15 Br N4'
_chemical_formula_sum            'C25 H15 Br N4'
_chemical_formula_weight         451.32
_chemical_name_systematic
;
4-(4-Bromophenyl)-6-(1<i>H</i>-indol-3-yl)-2,2'-bipyridine-5-carbonitrile
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   14.7393(4)
_cell_length_b                   10.7465(3)
_cell_length_c                   25.4251(7)
_cell_measurement_reflns_used    5842
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.4
_cell_measurement_theta_min      1.60
_cell_volume                     4027.23(19)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT (Bruker, 2004)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material
'SHELXL97 (Sheldrick, 2008) and PLATON (Spek, 2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker Kappa APEXII area-detector'
_diffrn_measurement_method       '\w and \f'
_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  0.0572
_diffrn_reflns_av_sigmaI/netI    0.0356
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            47903
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         29.40
_diffrn_reflns_theta_min         1.60
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.061
_exptl_absorpt_correction_T_max  0.635
_exptl_absorpt_correction_T_min  0.556
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2001)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.489
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.578
_refine_ls_extinction_coef       0.0015(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   0.991
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     272
_refine_ls_number_reflns         5545
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.991
_refine_ls_R_factor_all          0.0934
_refine_ls_R_factor_gt           0.0401
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0524P)^2^+1.6981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0949
_refine_ls_wR_factor_ref         0.1202
_reflns_number_gt                3138
_reflns_number_total             5545
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            cc9001394_si_002.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from
2011-04-26.

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_database_code               1502638