Assembly of 3-allyl-3-ethynyl-oxindole motifs via palladium(II)-catalyzed quaternary allylation of 3-ethynyl-3-OBoc-oxindoles
Nandarapu, Kumarswamyreddy; Muthuraj, Prakash; Samydurai, Jayakumar; Venkitasamy, KESAVAN; RSC Adv.  (2015) –; doi:10.1039/C5RA07955A

data_7220777
_publ_section_title
;
 Assembly of 3-allyl-3-ethynyl-oxindole motifs via palladium(II)-catalyzed
 quaternary allylation of 3-ethynyl-3-OBoc-oxindoles
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA07955A
_journal_year                    2015
_chemical_formula_moiety         'C21 H19 N O'
_chemical_formula_sum            'C21 H19 N O'
_chemical_formula_weight         301.37
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-08-27 deposited with the CCDC.
2015-06-15 downloaded from the CCDC.
;
_cell_angle_alpha                104.484(6)
_cell_angle_beta                 91.999(6)
_cell_angle_gamma                111.108(5)
_cell_formula_units_Z            2
_cell_length_a                   7.7818(9)
_cell_length_b                   8.1980(10)
_cell_length_c                   14.5361(18)
_cell_measurement_reflns_used    5786
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.66
_cell_measurement_theta_min      2.74
_cell_volume                     829.56(18)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR92 (Altornare et al., 1993)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker axs kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0712
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            17649
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    0.074
_exptl_absorpt_correction_T_max  0.9898
_exptl_absorpt_correction_T_min  0.9717
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.207
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             320
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.211
_refine_diff_density_rms         0.052
_refine_ls_extinction_coef       0.019(2)
_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   1.084
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         17649
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.1017
_refine_ls_R_factor_gt           0.0660
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0603P)^2^+0.7615P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1794
_refine_ls_wR_factor_ref         0.2017
_reflns_number_gt                11526
_reflns_number_total             17649
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra07955a2.cif
_cod_data_source_block           shelxl
_cod_original_cell_volume        829.56(17)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7220777