Alumina-Supported Cu(II), A Versatile and Recyclable Catalyst for Regioselective Ring Opening of Aziridines and Epoxides and Subsequent Cyclization to Functionalized 1,4-Benzoxazines and 1,4-Benzodioxanes
Sukalyan Bhadra; Laksmikanta Adak; Subhas Samanta; A. K. M. Maidul Islam; Manabendra Mukherjee; Brindaban C. Ranu; Journal of Organic Chemistry 75 (2010) 8533–8541; doi:10.1021/jo101916e

data_4025901
_publ_section_title
;
 Alumina-Supported Cu(II), A Versatile and Recyclable Catalyst for
 Regioselective Ring Opening of Aziridines and Epoxides and Subsequent
 Cyclization to Functionalized 1,4-Benzoxazines and 1,4-Benzodioxanes
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              8533
_journal_page_last               8541
_journal_paper_doi               10.1021/jo101916e
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C18 H19 N O3 S'
_chemical_formula_sum            'C18 H19 N O3 S'
_chemical_formula_weight         329.40
_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                 104.848(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7629(10)
_cell_length_b                   9.5687(9)
_cell_length_c                   16.1405(15)
_cell_measurement_reflns_used    18056
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      29.63
_cell_measurement_theta_min      1.96
_cell_volume                     1606.8(3)
_computing_cell_refinement       'BRUKER AXS SMART 3'
_computing_data_collection       'BRUKER AXS SMART 3'
_computing_data_reduction        'BRUKER AXS SAINT'
_computing_molecular_graphics    'BRUKER SHELXLTL'
_computing_publication_material  'MURCURY 1.4'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.943
_diffrn_measured_fraction_theta_max 0.943
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scan'
_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  0.0316
_diffrn_reflns_av_sigmaI/netI    0.0287
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            18056
_diffrn_reflns_theta_full        29.63
_diffrn_reflns_theta_max         29.63
_diffrn_reflns_theta_min         1.96
_exptl_absorpt_coefficient_mu    0.216
_exptl_absorpt_correction_T_max  0.9745
_exptl_absorpt_correction_T_min  0.9704
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            WHITE
_exptl_crystal_density_diffrn    1.362
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.802
_refine_diff_density_min         -0.442
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.981
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         4261
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.981
_refine_ls_R_factor_all          0.0753
_refine_ls_R_factor_gt           0.0588
_refine_ls_shift/su_max          0.019
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0933P)^2^+1.6395P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1622
_refine_ls_wR_factor_ref         0.1751
_reflns_number_gt                3372
_reflns_number_total             4261
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo101916e_si_002_2.cif
_cod_data_source_block           2h
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'MONOCLINIC' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025901