Visible Light Photoredox Catalysis: Synthesis of Indazolo[2,3-a]quinolines from 2-(2-Nitrophenyl)-1,2,3,4-tetrahydroquinolines
Lin, Wen-Chung; Yang, Ding-Yah; Organic Letters 15 (2013) 4862–; doi:10.1021/ol402286d

data_1512350
_publ_section_title
;
 Visible Light Photoredox Catalysis: Synthesis of
 Indazolo[2,3-a]quinolines from
 2-(2-Nitrophenyl)-1,2,3,4-tetrahydroquinolines
;
_journal_issue                   18
_journal_name_full               'Organic Letters'
_journal_page_first              4862
_journal_paper_doi               10.1021/ol402286d
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C19 H20 N2 O4'
_chemical_formula_sum            'C19 H20 N2 O4'
_chemical_formula_weight         340.37
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
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_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                66.366(9)
_cell_angle_beta                 80.901(7)
_cell_angle_gamma                74.929(9)
_cell_formula_units_Z            2
_cell_length_a                   8.4406(9)
_cell_length_b                   10.2459(11)
_cell_length_c                   10.6103(8)
_cell_measurement_reflns_used    2038
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29.0578
_cell_measurement_theta_min      2.9593
_cell_volume                     810.21(15)
_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
; 
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
; 
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      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.845
_diffrn_measurement_device_type  'CCD detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0404
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            6071
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         29.12
_diffrn_reflns_theta_min         2.97
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.099
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.99584
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET) 
(compiled Jan 23 2012,18:06:46) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.261
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     231
_refine_ls_number_reflns         3688
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0597
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0450P)^2^+0.1688P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1001
_refine_ls_wR_factor_ref         0.1095
_reflns_number_gt                2954
_reflns_number_total             3688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol402286d_si_003.cif
_cod_data_source_block           wc188
_cod_original_cell_volume        810.21(14)
_cod_database_code               1512350