Diastereoselective synthesis of spiro[indene-2,2'-pyrazolo[1,2-a]pyrazoles] and spiro[indoline-3,2'-pyrazolo[1,2-a]pyrazoles] via 1,3-dipolar cycloaddition
Lu, Yu-Ling; Sun, Jing; Jiang, Yan-Hong; Yan, Chao Guo; RSC Adv.  (2016) –; doi:10.1039/C6RA02358D

data_7225324
_publ_section_title
;
 Diastereoselective synthesis of
 spiro[indene-2,2'-pyrazolo[1,2-a]pyrazoles] and
 spiro[indoline-3,2'-pyrazolo[1,2-a]pyrazoles] via 1,3-dipolar
 cycloaddition
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA02358D
_journal_year                    2016
_chemical_formula_moiety         'C28 H24 N2 O3'
_chemical_formula_sum            'C28 H24 N2 O3'
_chemical_formula_weight         436.49
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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_block_doi                 10.5517/cc1jmfyj
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-08-15 deposited with the CCDC.
2016-05-19 downloaded from the CCDC.
;
_cell_angle_alpha                116.110(4)
_cell_angle_beta                 106.926(4)
_cell_angle_gamma                96.199(4)
_cell_formula_units_Z            2
_cell_length_a                   9.3414(12)
_cell_length_b                   11.5761(15)
_cell_length_c                   12.5780(15)
_cell_measurement_reflns_used    6915
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.04
_cell_measurement_theta_min      2.37
_cell_volume                     1123.4(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_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      296(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0690
_diffrn_reflns_av_sigmaI/netI    0.0708
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            15875
_diffrn_reflns_theta_full        27.56
_diffrn_reflns_theta_max         27.56
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.983
_exptl_absorpt_correction_T_min  0.977
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.290
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             460
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.304
_refine_diff_density_min         -0.303
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         5086
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0980
_refine_ls_R_factor_gt           0.0600
_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^)+(0.0954P)^2^+0.0223P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1570
_refine_ls_wR_factor_ref         0.1803
_reflns_number_gt                3348
_reflns_number_total             5086
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra02358d2.cif
_cod_data_source_block           1d
_cod_original_cell_volume        1123.4(2)
_cod_database_code               7225324