Multicomponent One-Pot Synthesis of 3-Tetrazolyl and 3-Imidazo[1,2-a]pyridin Tetrazolo[1,5-a]quinolines.
Unnamatla, M. V. Basavanag; Islas-Jácome, Alejandro; Quezada-Soto, Andrea; Ramírez-López, Sandra C; Flores-Álamo, Marcos; Gámez-Montaño, Rocío; The Journal of organic chemistry 81 (2016) 10576–10583; doi:10.1021/acs.joc.6b01576

data_4037134
_publ_section_title
;
 Multicomponent One-Pot Synthesis of 3-Tetrazolyl and
 3-Imidazo[1,2-a]pyridin Tetrazolo[1,5-a]quinolines.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10576
_journal_page_last               10583
_journal_paper_doi               10.1021/acs.joc.6b01576
_journal_volume                  81
_journal_year                    2016
_chemical_formula_moiety         '2(C12 H12 N4 O2)'
_chemical_formula_sum            'C24 H24 N8 O4'
_chemical_formula_weight         488.51
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2014-03-27
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.12 svn.r2899 for OlexSys, GUI svn.r4796)
;
_cell_angle_alpha                90
_cell_angle_beta                 107.737(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.7545(5)
_cell_length_b                   7.3182(3)
_cell_length_c                   13.4982(5)
_cell_measurement_reflns_used    5343
_cell_measurement_temperature    100
_cell_measurement_theta_max      29.142
_cell_measurement_theta_min      2.752
_cell_volume                     1105.94(8)
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XM (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0371
_diffrn_reflns_av_unetI/netI     0.0255
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            21028
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         29.420
_diffrn_reflns_theta_min         2.752
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.7459
_exptl_absorpt_correction_T_min  0.6974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0604 before and 0.0512 after correction.
The Ratio of minimum to maximum transmission is 0.9350.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.467
_exptl_crystal_description       NEEDLE
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         3031
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0488
_refine_ls_R_factor_gt           0.0398
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0466P)^2^+0.3556P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0947
_refine_ls_wR_factor_ref         0.0994
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2595
_reflns_number_total             3031
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            7.cif
_cod_data_source_block           x85001_0m
_cod_database_code               4037134
_shelxl_version_number           2013-3
_shelx_estimated_absorpt_t_max   0.977
_shelx_estimated_absorpt_t_min   0.944
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C14(H14)
2.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C9(H9), C10(H10), C11(H11), C12(H12)
2.c Idealised Me refined as rotating group:
 C140(H14A,H14B,H14C), C141(H14D,H14E,H14F)
;
_shelx_res_checksum              76332
_shelx_hkl_checksum              36833