Synthesis of spiro-3H-indazoles via 1,3-dipolar cycloaddition of arynes with 6-diazocyclohex-2-en-1-one derivatives and fused-2H-indazoles by subsequent rearrangement
Cheng, Bin; Bao, Bian; Zu, Bing; Duan, Xiaoguang; Duan, Shengguo; Li, Yun; Zhai, Hongbin; RSC Advances 7 (2017) 54087–; doi:10.1039/C7RA12117B

data_7229618
_publ_section_title
;
 Synthesis of spiro-3H-indazoles via 1,3-dipolar cycloaddition of arynes
 with 6-diazocyclohex-2-en-1-one derivatives and fused-2H-indazoles by
 subsequent rearrangement
;
_journal_issue                   85
_journal_name_full               'RSC Advances'
_journal_page_first              54087
_journal_paper_doi               10.1039/C7RA12117B
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C16 H16 N2 O'
_chemical_formula_sum            'C16 H16 N2 O'
_chemical_formula_weight         252.31
_space_group_IT_number           14
_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
_audit_update_record
;
2017-09-28 deposited with the CCDC.
2017-11-20 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.497(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.4760(11)
_cell_length_b                   6.3544(5)
_cell_length_c                   14.6098(12)
_cell_measurement_reflns_used    2068
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      24.8290
_cell_measurement_theta_min      3.6210
_cell_volume                     1321.41(18)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 15.9784
_diffrn_detector_type            Eos
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Eos'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0469
_diffrn_reflns_av_sigmaI/netI    0.0795
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            12149
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         3.51
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9763
_exptl_absorpt_correction_T_min  0.9685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.43 (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.268
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             536
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.165
_refine_diff_density_rms         0.038
_refine_ls_extinction_coef       0.0092(13)
_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   1.094
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2876
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0980
_refine_ls_R_factor_gt           0.0555
_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^)+(0.0282P)^2^+0.4025P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1247
_reflns_number_gt                1794
_reflns_number_total             2876
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ra12117b2.cif
_cod_data_source_block           20170728_wj_cb5_37
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7229618