Base-catalyzed controllable reaction of 3-ylideneoxindoles with O-Boc hydroxycarbamates for the synthesis of amidoacrylates and spiroaziridine oxindoles.
Liu, Yi-Yin; Duan, Shu-Wen; Zhang, Rui; Liu, Yun-Hang; Chen, Jia-Rong; Xiao, Wen-Jing; Organic & biomolecular chemistry 14 (2016) 5224–5228; doi:10.1039/c6ob00891g

data_7155119
_publ_section_title
;
 Base-catalyzed controllable reaction of 3-ylideneoxindoles with O-Boc
 hydroxycarbamates for the synthesis of amidoacrylates and spiroaziridine
 oxindoles.
;
_journal_issue                   23
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              5224
_journal_page_last               5228
_journal_paper_doi               10.1039/c6ob00891g
_journal_volume                  14
_journal_year                    2016
_chemical_formula_moiety         'C21 H20 N2 O5'
_chemical_formula_sum            'C21 H20 N2 O5'
_chemical_formula_weight         380.39
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-04-25
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2016-04-25 deposited with the CCDC.
2016-05-17 downloaded from the CCDC.
;
_cell_angle_alpha                98.373(2)
_cell_angle_beta                 97.607(2)
_cell_angle_gamma                101.428(2)
_cell_formula_units_Z            2
_cell_length_a                   8.4422(13)
_cell_length_b                   9.1367(14)
_cell_length_c                   12.950(2)
_cell_measurement_reflns_used    4477
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      31.64
_cell_measurement_theta_min      2.31
_cell_volume                     955.2(3)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0250
_diffrn_reflns_av_unetI/netI     0.0328
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6504
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.998
_diffrn_reflns_theta_min         1.612
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_description       block
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.228
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.040(7)
_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   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         3720
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0951P)^2^+0.2110P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1478
_refine_ls_wR_factor_ref         0.1580
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3167
_reflns_number_total             3720
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ob00891g2.cif
_cod_data_source_block           mo_121121b
_cod_depositor_comments
'Adding full bibliography for 7155118--7155121.cif.'
_cod_database_code               7155119
_shelx_estimated_absorpt_t_max   0.981
_shelx_estimated_absorpt_t_min   0.976
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C10(H10)
2.b Secondary CH2 refined with riding coordinates:
 C12(H12A,H12B), C15(H15A,H15B)
2.c Aromatic/amide H refined with riding coordinates:
 C5(H5), C6(H6), C7(H7), C8(H8), C17(H17), C18(H18), C19(H19), C20(H20),
 C21(H21)
2.d Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C), C13(H13A,H13B,H13C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'