Isocyanide-based multicomponent reactions: catalyst-free stereoselective construction of polycyclic spiroindolines.
Wang, Xiang; Wang, Shun-Yi; Ji, Shun-Jun; Organic letters 15 (2013) 1954–1957; doi:10.1021/ol400606c

data_1511931
_publ_section_title
;
 Isocyanide-based multicomponent reactions: catalyst-free stereoselective
 construction of polycyclic spiroindolines.
;
_journal_issue                   8
_journal_name_full               'Organic letters'
_journal_page_first              1954
_journal_page_last               1957
_journal_paper_doi               10.1021/ol400606c
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C22 H15 N5'
_chemical_formula_sum            'C22 H15 N5'
_chemical_formula_weight         349.39
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.283(8)
_cell_length_b                   10.980(6)
_cell_length_c                   19.477(10)
_cell_measurement_reflns_used    5863
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      3.1
_cell_volume                     3482(3)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Rigaku Mercury'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.1043
_diffrn_reflns_av_sigmaI/netI    0.0865
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            22116
_diffrn_reflns_theta_full        25.34
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         3.06
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.793
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1456
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.317
_refine_diff_density_min         -0.330
_refine_diff_density_rms         0.080
_refine_ls_extinction_coef       0.073(10)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.004
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     251
_refine_ls_number_reflns         3067
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.004
_refine_ls_R_factor_all          0.1567
_refine_ls_R_factor_gt           0.1081
_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^)+(0.1899P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2684
_refine_ls_wR_factor_ref         0.3309
_reflns_number_gt                1482
_reflns_number_total             3067
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol400606c_si_002.cif
_cod_data_source_block           shelxl
_cod_database_code               1511931