Simple and one-pot protocol for synthesis of indene-spiro-oxindoles involving tandem Prins and Friedel-Crafts reactions.
Basavaiah, Deevi; Reddy, Kanumuri Ramesh; Organic letters 9 (2007) 57–60; doi:10.1021/ol062561m

data_1505238
_publ_section_title
;
 Simple and one-pot protocol for synthesis of indene-spiro-oxindoles
 involving tandem Prins and Friedel-Crafts reactions.
;
_journal_issue                   1
_journal_name_full               'Organic letters'
_journal_page_first              57
_journal_page_last               60
_journal_paper_doi               10.1021/ol062561m
_journal_volume                  9
_journal_year                    2007
_chemical_formula_moiety         'C36 H27 N O'
_chemical_formula_sum            'C36 H27 N O'
_chemical_formula_weight         489.59
_chemical_melting_point          218(2)
_chemical_name_systematic
; 
 3,3-Bis(2,2-diphenylvinyl)indolin-2-one
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 94.841(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.237(3)
_cell_length_b                   17.495(4)
_cell_length_c                   14.195(4)
_cell_measurement_temperature    298
_cell_volume                     2780.7(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'Bruker SMART APEX'
_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  0.0606
_diffrn_reflns_av_sigmaI/netI    0.0696
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            31841
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.85
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_T_max  0.9936
_exptl_absorpt_correction_T_min  0.9477
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.169
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.36
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.169
_refine_diff_density_min         -0.151
_refine_diff_density_rms         0.026
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.867
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         6661
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.867
_refine_ls_R_factor_all          0.1261
_refine_ls_R_factor_gt           0.0482
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0418P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0865
_refine_ls_wR_factor_ref         0.1060
_reflns_number_gt                3143
_reflns_number_total             6898
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol062561msi20061017_041629.cif
_cod_data_source_block           16
_cod_original_cell_volume        2780.6(12)
_cod_original_sg_symbol_H-M      'p 21/n'
_cod_database_code               1505238