I<sub>2</sub> catalyzed access of spiro[indoline-3,4'-pyridine] appended amine dyad: new ON-OFF chemosensors for Cu<sup>2+</sup> and imaging in living cells.
Mondal, Animesh; Naskar, Barnali; Goswami, Sanchita; Prodhan, Chandraday; Chaudhuri, Keya; Mukhopadhyay, Chhanda; Organic & biomolecular chemistry 16 (2018) 302–315; doi:10.1039/c7ob02651j

data_7156002
_publ_section_title
;
 I<sub>2</sub> catalyzed access of spiro[indoline-3,4'-pyridine] appended
 amine dyad: new ON-OFF chemosensors for Cu<sup>2+</sup> and imaging in
 living cells.
;
_journal_issue                   2
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              302
_journal_page_last               315
_journal_paper_doi               10.1039/c7ob02651j
_journal_volume                  16
_journal_year                    2018
_chemical_formula_moiety         'C25 H21 N5 O7'
_chemical_formula_sum            'C25 H21 N5 O7'
_chemical_formula_weight         503.47
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
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_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
;
2017-09-05 deposited with the CCDC.
2017-11-30 downloaded from the CCDC.
;
_cell_angle_alpha                71.627(4)
_cell_angle_beta                 81.230(5)
_cell_angle_gamma                72.359(5)
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_cell_length_b                   10.612(4)
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_cell_measurement_theta_min      0.963
_cell_volume                     1208.4(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker Smart Apex II'
_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  0.0341
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_diffrn_reflns_limit_h_max       10
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_diffrn_reflns_limit_k_min       -12
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_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8261
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_exptl_absorpt_coefficient_mu    0.104
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_exptl_absorpt_correction_T_min  0.5009
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS(Sheldrick, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             524
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_refine_ls_extinction_method     none
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_refine_ls_number_reflns         4081
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_refine_ls_R_factor_all          0.0874
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_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^)+(0.1595P)^2^+0.8533P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1515
_refine_ls_wR_factor_ref         0.2010
_reflns_number_gt                2512
_reflns_number_total             4081
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7ob02651j3.cif
_cod_data_source_block           a-fl5
_cod_depositor_comments          'Adding full bibliography for 7156002.cif.'
_cod_original_cell_volume        1208.5(7)
_cod_database_code               7156002