HOAc-Mediated Domino Diels-Alder Reaction for Synthesis of Spiro[cyclohexane-1,3'-indolines] in Ionic Liquid [Bmim]Br.
Yang, Ren-Yin; Sun, Jing; Yan, Chao-Guo; ACS omega 3 (2018) 5406–5416; doi:10.1021/acsomega.8b00464

data_4515973
_publ_section_title
;
 HOAc-Mediated Domino Diels-Alder Reaction for Synthesis of
 Spiro[cyclohexane-1,3'-indolines] in Ionic Liquid [Bmim]Br.
;
_journal_issue                   5
_journal_name_full               'ACS omega'
_journal_page_first              5406
_journal_page_last               5416
_journal_paper_doi               10.1021/acsomega.8b00464
_journal_volume                  3
_journal_year                    2018
_chemical_formula_moiety         'C40 H33 N O2'
_chemical_formula_sum            'C40 H33 N O2'
_chemical_formula_weight         559.67
_space_group_crystal_system      triclinic
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_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                73.172(2)
_cell_angle_beta                 79.467(2)
_cell_angle_gamma                69.183(2)
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_cell_length_c                   14.0481(10)
_cell_measurement_reflns_used    8850
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.25
_cell_measurement_theta_min      2.40
_cell_volume                     1528.8(2)
_computing_cell_refinement       'Bruker SAINT'
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_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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
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_diffrn_reflns_av_R_equivalents  0.0345
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_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       13
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_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
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_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.576
_diffrn_reflns_theta_min         2.174
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.985
_exptl_absorpt_correction_T_min  0.982
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_description       block
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_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         7004
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0921
_refine_ls_R_factor_gt           0.0543
_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^)+(0.0597P)^2^+0.2656P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1196
_refine_ls_wR_factor_ref         0.1353
_reflns_Friedel_coverage         0.000
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_reflns_number_total             7004
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ao8b00464_si_002.cif
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_cod_database_code               4515973
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.982
_shelx_estimated_absorpt_t_max   0.985
_shelx_res_checksum              58044
_shelx_hkl_checksum              16997