Selective Construction of Polycyclic Spirooxindoles via Cu(OTf)2/HOTf-catalyzed Domino Reaction of o-Arylalkynylacetophenones and 3-Phenacylideneoxindoles
Yang, Ren-Yin; Sun, Jing; Sun, Qiu; Yan, Chao Guo; Org. Biomol. Chem.  (2017) –; doi:10.1039/C7OB01292F

data_7155749
_publ_section_title
;
 Selective Construction of Polycyclic Spirooxindoles via
 Cu(OTf)2/HOTf-catalyzed Domino Reaction of o-Arylalkynylacetophenones and
 3-Phenacylideneoxindoles
;
_journal_name_full               'Org. Biomol. Chem.'
_journal_paper_doi               10.1039/C7OB01292F
_journal_year                    2017
_chemical_formula_moiety         'C40 H26 N2 O4'
_chemical_formula_sum            'C40 H26 N2 O4'
_chemical_formula_weight         598.63
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-01-10 deposited with the CCDC.
2017-07-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 120.813(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   22.5392(13)
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_cell_length_c                   23.0909(9)
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.96
_cell_measurement_theta_min      2.75
_cell_volume                     3553.8(4)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.856
_diffrn_measured_fraction_theta_max 0.867
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0868
_diffrn_reflns_av_unetI/netI     0.0953
_diffrn_reflns_Laue_measured_fraction_full 0.856
_diffrn_reflns_Laue_measured_fraction_max 0.867
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
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_diffrn_reflns_limit_k_min       -9
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_diffrn_reflns_limit_l_min       -28
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_diffrn_reflns_point_group_measured_fraction_full 0.856
_diffrn_reflns_point_group_measured_fraction_max 0.867
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.000
_diffrn_reflns_theta_min         1.052
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.986
_exptl_absorpt_correction_T_min  0.983
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.119
_exptl_crystal_description       block
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.563
_refine_diff_density_min         -0.417
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         6053
_refine_ls_number_restraints     48
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.1517
_refine_ls_R_factor_gt           0.0833
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1630P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2392
_refine_ls_wR_factor_ref         0.2685
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3164
_reflns_number_total             6053
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ob01292f2.cif
_cod_data_source_block           4t
_cod_database_code               7155749
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.983
_shelx_estimated_absorpt_t_max   0.986
_shelx_res_checksum              88334
_shelx_fab_checksum              94139