Improved Procedure for the Synthesis of Enamine N-Oxides
David Bernier; Alexander J. Blake; Simon Woodward; Journal of Organic Chemistry 73 (2008) 4229–4232; doi:10.1021/jo8002166

data_4023431
_publ_section_title
;
 Improved Procedure for the Synthesis of Enamine N-Oxides
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4229
_journal_page_last               4232
_journal_paper_doi               10.1021/jo8002166
_journal_volume                  73
_journal_year                    2008
_chemical_formula_moiety         'C14 H19 N O'
_chemical_formula_sum            'C14 H19 N O'
_chemical_formula_weight         217.30
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method           'enCIFer editing of SHELXL97 CIF output'
_cell_angle_alpha                90.00
_cell_angle_beta                 99.590(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   9.7311(10)
_cell_length_b                   18.404(2)
_cell_length_c                   13.957(2)
_cell_measurement_reflns_used    3210
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.6
_cell_measurement_theta_min      2.6
_cell_volume                     2464.6(8)
_computing_cell_refinement       'Bruker SAINT version 6.36A (Bruker, 2000)'
_computing_data_collection       'Bruker SMART version 5.625 (Bruker, 2001)'
_computing_data_reduction        'Bruker SAINT; Bruker SHELXTL (Bruker, 2001)'
_computing_publication_material  'enCIFer(Allen et al.,2004);PLATON(Spek,2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker SMART APEX CCD area detector'
_diffrn_measurement_method       omega
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.057
_diffrn_reflns_av_sigmaI/netI    0.066
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14452
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.52
_diffrn_reflns_theta_min         2.21
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.171
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       column
_exptl_crystal_F_000             944
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.52
_refine_diff_density_min         -0.64
_refine_diff_density_rms         0.07
_refine_ls_extinction_coef       0.007(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.03
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     576
_refine_ls_number_reflns         5795
_refine_ls_number_restraints     378
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.115
_refine_ls_R_factor_gt           0.0918
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.145P)^2^+1.750P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.236
_refine_ls_wR_factor_ref         0.261
_reflns_number_gt                4296
_reflns_number_total             5795
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo8002166-File003.cif
_cod_data_source_block           nohxbz
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4023431