Regioselective Synthesis of Pyranone-Fused Indazoles via Reductive Cyclization and Alkyne Insertion.
Wu, Tz-Yi; Dhole, Sandip; Selvaraju, Manikandan; Sun, Chung-Ming; ACS combinatorial science 20 (2018) 156–163; doi:10.1021/acscombsci.7b00170

data_4515841
_publ_section_title
;
 Regioselective Synthesis of Pyranone-Fused Indazoles via Reductive
 Cyclization and Alkyne Insertion.
;
_journal_issue                   3
_journal_name_full               'ACS combinatorial science'
_journal_page_first              156
_journal_page_last               163
_journal_paper_doi               10.1021/acscombsci.7b00170
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C14 H12 N2 O2 S'
_chemical_formula_weight         272.32
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 90.708(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8579(5)
_cell_length_b                   7.7589(6)
_cell_length_c                   27.231(2)
_cell_measurement_reflns_used    2745
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.2869
_cell_measurement_theta_min      2.7297
_cell_volume                     1237.58(17)
_computing_cell_refinement       'SAINT V7.68A (Bruker AXS, 2009)'
_computing_data_collection       'APEX2 (Bruker AXS, 2010)'
_computing_data_reduction        'SAINT V7.68A (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0319
_diffrn_reflns_av_sigmaI/netI    0.0350
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            9509
_diffrn_reflns_theta_full        26.43
_diffrn_reflns_theta_max         26.43
_diffrn_reflns_theta_min         2.73
_exptl_absorpt_coefficient_mu    0.260
_exptl_absorpt_correction_T_max  0.9486
_exptl_absorpt_correction_T_min  0.8779
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Tabullar
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.241
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     189
_refine_ls_number_reflns         2539
_refine_ls_number_restraints     10
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0342
_refine_ls_shift/su_max          0.079
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0354P)^2^+0.5010P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0764
_refine_ls_wR_factor_ref         0.0833
_reflns_number_gt                2050
_reflns_number_total             2539
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            co7b00170_si_002.cif
_cod_data_source_block           120260lt_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_crystal_density_meas' value 'not measured' was
changed to '?' -- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
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_cod_original_cell_volume        1237.56(17)
_cod_database_code               4515841