Regio- and Diastereoselective Construction of Spirocyclopenteneoxindoles through Phosphine-Catalyzed [3 + 2] Annulation of Methyleneindolinone with Alkynoate Derivatives.
Zhang, Jiayong; Cheng, Cheng; Wang, Dian; Miao, Zhiwei; The Journal of organic chemistry 82 (2017) 10121–10128; doi:10.1021/acs.joc.7b01582

data_4032871
_publ_section_title
;
 Regio- and Diastereoselective Construction of Spirocyclopenteneoxindoles
 through Phosphine-Catalyzed [3 + 2] Annulation of Methyleneindolinone
 with Alkynoate Derivatives.
;
_journal_issue                   19
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10121
_journal_page_last               10128
_journal_paper_doi               10.1021/acs.joc.7b01582
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C26 H27 N O5'
_chemical_formula_sum            'C26 H27 N O5'
_chemical_formula_weight         433.48
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_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-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 102.338(11)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.370(4)
_cell_length_b                   9.159(3)
_cell_length_c                   21.980(7)
_cell_measurement_reflns_used    1162
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      78.10
_cell_measurement_theta_min      30.10
_cell_volume                     2236.1(13)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b42'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b42 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b42'
_computing_molecular_graphics    'CrystalStructure 4.2'
_computing_publication_material  'CrystalStructure 4.2 (Rigaku, 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXT Version 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0446
_diffrn_reflns_av_unetI/netI     0.0203
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            37267
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        67.687
_diffrn_reflns_theta_max         77.826
_diffrn_reflns_theta_min         4.072
_exptl_absorpt_coefficient_mu    0.724
_exptl_absorpt_correction_T_max  0.865
_exptl_absorpt_correction_T_min  0.768
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.288
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.240
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.311
_refine_diff_density_rms         0.103
_refine_ls_extinction_coef       0.0115(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     293
_refine_ls_number_reflns         4761
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0415
_refine_ls_R_factor_gt           0.0405
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0632P)^2^+0.5780P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1147
_refine_ls_wR_factor_ref         0.1156
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4561
_reflns_number_total             4761
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo7b01582_si_002.cif
_cod_data_source_block           shelxl
_cod_depositor_comments          'Adding full bibliography for 4032871.cif.'
_cod_database_code               4032871
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.845
_shelx_estimated_absorpt_t_max   0.869
_shelx_res_checksum              46530
_shelx_hkl_checksum              54505