Synthesis of fused triazolo[4,5-d]quinoline/chromene/thiochromene derivatives via palladium catalysis mediated by tetrabutylammonium iodide
Chen, Chung-Yu; Yang, Cheng-Hao; Hu, Wan-Ping; Kishore Vandavasi, Jaya; Chung, Mei-Ing; Wang, Jeh-Jeng; RSC Advances 3 (2013) 2710–; doi:10.1039/c2ra22799a

data_7238792
_publ_section_title
;
 Synthesis of fused triazolo[4,5-d]quinoline/chromene/thiochromene
 derivatives via palladium catalysis mediated by tetrabutylammonium iodide
;
_journal_issue                   8
_journal_name_full               'RSC Advances'
_journal_page_first              2710
_journal_paper_doi               10.1039/c2ra22799a
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C18 H17 N3 O4'
_chemical_formula_sum            'C18 H17 N3 O4'
_chemical_formula_weight         339.35
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
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_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.573(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.7873(2)
_cell_length_b                   13.8510(3)
_cell_length_c                   11.8661(2)
_cell_measurement_reflns_used    4450
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      71.4744
_cell_measurement_theta_min      3.1880
_cell_volume                     1608.53(6)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_data_collection
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CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_data_reduction
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CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.29 (release 10-06-2008 CrysAlis171 .NET)
(compiled Jun 10 2008,16:49:55)
;
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      297(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.974
_diffrn_measurement_device_type  'CCD detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0152
_diffrn_reflns_av_sigmaI/netI    0.0183
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6441
_diffrn_reflns_theta_full        70.00
_diffrn_reflns_theta_max         71.61
_diffrn_reflns_theta_min         4.52
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.837
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.78851
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.66 (release 28-04-2010 CrysAlis171 .NET)
(compiled Apr 28 2010,14:27:37)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.401
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.72
_exptl_crystal_size_mid          0.68
_exptl_crystal_size_min          0.58
_refine_diff_density_max         0.223
_refine_diff_density_min         -0.264
_refine_diff_density_rms         0.034
_refine_ls_extinction_coef       0.0084(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.074
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     227
_refine_ls_number_reflns         3056
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.074
_refine_ls_R_factor_all          0.0471
_refine_ls_R_factor_gt           0.0394
_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^)+(0.0641P)^2^+0.2197P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1102
_refine_ls_wR_factor_ref         0.1145
_reflns_number_gt                2535
_reflns_number_total             3056
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ra22799a.txt
_cod_data_source_block           tmapho
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7238792