Triplet Reactivity and Regio-/Stereoselectivity in the Macrocyclization of Diastereomeric Ketoprofen-Quencher Conjugates via Remote Hydrogen Abstractions
Sergio Abad; Francisco Boscá; Luis R. Domingo; Salvador Gil; Uwe Pischel; Miguel A. Miranda; Journal of the American Chemical Society 129 (2007) 7407–7420; doi:10.1021/ja0712827

data_4109515
_publ_contact_author_address
'Avda. de los Naranjos s/n. 46022. Valencia. Spain'
_publ_contact_author_email       mmiranda@qim.upv.es
_publ_contact_author_fax         0034963877809
_publ_contact_author_name        'Miguel. A. Miranda'
_publ_contact_author_phone       0034963877807
_publ_section_title
;
 Triplet Reactivity and Regio-/Stereoselectivity in the Macrocyclization
 of Diastereomeric Ketoprofen-Quencher Conjugates via Remote Hydrogen
 Abstractions
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7407
_journal_page_last               7420
_journal_paper_doi               10.1021/ja0712827
_journal_volume                  129
_journal_year                    2007
_chemical_absolute_configuration unk
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C27 H27 N1 O4'
_chemical_formula_sum            'C27 H27 N O4'
_chemical_formula_weight         429.5
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2006-03-07T13:17:00-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5577(15)
_cell_length_b                   13.9554(13)
_cell_length_c                   14.1742(14)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293
_cell_measurement_theta_max      42.49
_cell_measurement_theta_min      22.62
_cell_measurement_wavelength     1.54184
_cell_volume                     2286.2(4)
_computing_cell_refinement       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_collection       'CAD4 Express (Enraf Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-97 (Giacovazzo, 1999)'
_diffrn_ambient_temperature      293
_diffrn_detector                 'scintillation NaI'
_diffrn_detector_dtime           1.195
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf Nonius TurboCAD4'
_diffrn_measurement_method       'non-profiled omega/2theta scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           Cuk\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            5456
_diffrn_reflns_theta_full        74.89
_diffrn_reflns_theta_max         74.89
_diffrn_reflns_theta_min         4.45
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 166
_diffrn_standards_interval_time  98
_diffrn_standards_number         1
_exptl_absorpt_coefficient_mu    0.671
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.2086
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details
;
North A.C.T., Phillips D.C. & Mathews F.S. (1968) Acta. Cryst. A24, 351
        Number of psi-scan sets used was   4
        Theta correction was applied.
        Weighted transmission curves were used.
        No Fourier smoothing was applied.
;
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_description       prism
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.265
_refine_diff_density_rms         0.06
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.2(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.19
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         4689
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.19
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0638
_refine_ls_shift/su_max          0.039
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1313P)^2^+0.9417P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2103
_refine_ls_wR_factor_ref         0.2262
_reflns_number_gt                4381
_reflns_number_total             4689
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0712827si20070227_041744.cif
_cod_data_source_block           archi
_cod_original_formula_sum        'C27 H27 N1 O4'
_cod_database_code               4109515