Coumarin-based thiol chemosensor: synthesis, turn-on mechanism, and its biological application.
Jung, Hyo Sung; Ko, Kyoung Chul; Kim, Gun-Hee; Lee, Ah-Rah; Na, Yun-Cheol; Kang, Chulhun; Lee, Jin Yong; Kim, Jong Seung; Organic letters 13 (2011) 1498–1501; doi:10.1021/ol2001864

data_1502052
_publ_section_title
;
 Coumarin-based thiol chemosensor: synthesis, turn-on mechanism, and its
 biological application.
;
_journal_issue                   6
_journal_name_full               'Organic letters'
_journal_page_first              1498
_journal_page_last               1501
_journal_paper_doi               10.1021/ol2001864
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C23 H25 N O6'
_chemical_formula_weight         411.40
_chemical_name_systematic
; 
 ? 
;
_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                 101.350(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.248(5)
_cell_length_b                   8.517(3)
_cell_length_c                   13.924(4)
_cell_measurement_reflns_used    1081
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      24.67
_cell_measurement_theta_min      2.41
_cell_volume                     2005.5(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.1206
_diffrn_reflns_av_sigmaI/netI    0.1717
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10522
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.346
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             852
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.729
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.069
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         3938
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      0.877
_refine_ls_R_factor_all          0.1554
_refine_ls_R_factor_gt           0.0670
_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^)+(0.0789P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1658
_refine_ls_wR_factor_ref         0.1899
_reflns_number_gt                1529
_reflns_number_total             3938
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol2001864_si_002.cif
_cod_data_source_block           ym368p21c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2005.6(11)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1502052