Unexpected isocyanide-based cascade cycloaddition reaction with methyleneindolinone
Jian Li; Shikuan Su; Mengyuan Huang; Boyi Song; Chunju Li; Xueshun Jia; Chem.Commun. 49 (2013) 10694–; doi:10.1039/c3cc46237d

data_7110013
_publ_section_title
;
 Unexpected isocyanide-based cascade cycloaddition reaction with
 methyleneindolinone
;
_journal_name_full               Chem.Commun.
_journal_page_first              10694
_journal_paper_doi               10.1039/c3cc46237d
_journal_volume                  49
_journal_year                    2013
_chemical_formula_sum            'C26 H20 N2 O3'
_chemical_formula_weight         408.44
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 100.8290(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5140(9)
_cell_length_b                   13.6267(14)
_cell_length_c                   18.6805(19)
_cell_measurement_reflns_used    3468
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.43
_cell_measurement_theta_min      2.48
_cell_volume                     2128.7(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w 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  0.0180
_diffrn_reflns_av_sigmaI/netI    0.0200
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10805
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9900
_exptl_absorpt_correction_T_min  0.9801
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.274
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.162
_refine_diff_density_min         -0.142
_refine_diff_density_rms         0.031
_refine_ls_extinction_coef       0.0045(7)
_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   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         3761
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0520P)^2^+0.3612P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1002
_refine_ls_wR_factor_ref         0.1102
_reflns_number_gt                2855
_reflns_number_total             3761
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc46237d.txt
_cod_data_source_block           121203a_0m
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7110013