Copper(II)-catalyzed room temperature aerobic oxidation of hydroxamic acids and hydrazides to acyl-nitroso and azo intermediates, and their Diels-Alder trapping.
Chaiyaveij, Duangduan; Cleary, Leah; Batsanov, Andrei S.; Marder, Todd B.; Shea, Kenneth J.; Whiting, Andrew; Organic letters 13 (2011) 3442–3445; doi:10.1021/ol201188d

data_1502253
_publ_section_title
;
 Copper(II)-catalyzed room temperature aerobic oxidation of hydroxamic
 acids and hydrazides to acyl-nitroso and azo intermediates, and their
 Diels-Alder trapping.
;
_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              3442
_journal_page_last               3445
_journal_paper_doi               10.1021/ol201188d
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C24 H21 N O3'
_chemical_formula_sum            'C24 H21 N O3'
_chemical_formula_weight         371.42
_chemical_melting_point          406.7(5)
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_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_date             2011-04-06
_audit_creation_method
;
  Olex2 1.1-beta
  (compiled 2011.02.15 svn.r1672, GUI svn.r3494)
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.566(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3176(3)
_cell_length_b                   16.6568(4)
_cell_length_c                   13.6584(4)
_cell_measurement_reflns_used    6785
_cell_measurement_temperature    120
_cell_measurement_theta_max      29.94
_cell_measurement_theta_min      2.45
_cell_volume                     1892.21(10)
_computing_cell_refinement       'SAINT v7.46A (Bruker, 2008)'
_computing_data_collection       'SMART v5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT v7.46A (Bruker, 2008)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
'A short history of SHELX (Sheldrick, 2008)/Bruker'
_computing_structure_solution
'A short history of SHELX (Sheldrick, 2008)/Bruker'
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 5.6
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker SMART 6000 CCD area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.002088
_diffrn_orient_matrix_UB_12      0.039321
_diffrn_orient_matrix_UB_13      0.055321
_diffrn_orient_matrix_UB_21      0.000572
_diffrn_orient_matrix_UB_22      0.045346
_diffrn_orient_matrix_UB_23      -0.047955
_diffrn_orient_matrix_UB_31      -0.120208
_diffrn_orient_matrix_UB_32      0.000887
_diffrn_orient_matrix_UB_33      0.000044
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0309
_diffrn_reflns_av_unetI/netI     0.0239
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            21447
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.45
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_current           35.0
_diffrn_source_power             1.75
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         4332
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0503
_refine_ls_R_factor_gt           0.0390
_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^)+(0.0505P)^2^+0.7124P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0968
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                3519
_reflns_number_total             4332
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ol201188d_si_001.cif
_cod_data_source_block           4f
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_source_target' value 'MO' changed to 'Mo' 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        1892.2(1)
_cod_database_code               1502253