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_4109513
_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 N4'
_chemical_formula_sum            'C27 H27 N O4'
_chemical_formula_weight         429.5
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           1
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      1
_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_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             2006-03-03T13:54:59-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                72.862(5)
_cell_angle_beta                 84.838(5)
_cell_angle_gamma                68.755(5)
_cell_formula_units_Z            1
_cell_length_a                   6.345(5)
_cell_length_b                   8.183(5)
_cell_length_c                   11.894(5)
_cell_measurement_reflns_used    1269
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      25.99
_cell_measurement_theta_min      2.78
_cell_measurement_wavelength     0.71073
_cell_volume                     549.9(6)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT'
_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      273(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Smart-CCD-1000 BRUKER'
_diffrn_measurement_method       'omega & psi scans '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0270
_diffrn_reflns_av_unetI/netI     0.0518
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6227
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.862
_exptl_absorpt_correction_T_min  0.6806
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_description       plate
_exptl_crystal_F_000             228
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.222
_refine_diff_density_min         -0.205
_refine_diff_density_rms         0.048
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.6(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.075
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4220
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0697
_refine_ls_R_factor_gt           0.0515
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0822P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1341
_refine_ls_wR_factor_ref         0.1428
_reflns_number_gt                3305
_reflns_number_total             4220
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja0712827si20070227_041627.cif
_cod_data_source_block           sa03si2n
_cod_database_code               4109513