A green, chemoselective, and practical approach toward N-(2-azetidinonyl) 2,5-disubstituted pyrroles
Bandyopadhyay, Debasish; Rhodes, Elvira; Banik, Bimal K.; RSC Advances 3 (2013) 16756–; doi:10.1039/c3ra42266f

data_7239115
_publ_section_title
;
 A green, chemoselective, and practical approach toward N-(2-azetidinonyl)
 2,5-disubstituted pyrroles
;
_journal_issue                   37
_journal_name_full               'RSC Advances'
_journal_page_first              16756
_journal_paper_doi               10.1039/c3ra42266f
_journal_volume                  3
_journal_year                    2013
_chemical_formula_moiety         'C22 H22 N2 O2'
_chemical_formula_sum            'C22 H22 N2 O2'
_chemical_formula_weight         346.42
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   31.2908(12)
_cell_length_b                   9.2585(3)
_cell_length_c                   12.6610(5)
_cell_measurement_reflns_used    2661
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      24.05
_cell_measurement_theta_min      1.73
_cell_volume                     3668.0(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_molecular_graphics    'SHELXTL v6.10 (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL v6.10 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      110(2)
_diffrn_detector_area_resol_mean 15.989
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Goniometer KM4/Xcalibur, detector: Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0505
_diffrn_reflns_av_sigmaI/netI    0.0601
_diffrn_reflns_limit_h_max       35
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8916
_diffrn_reflns_theta_full        24.00
_diffrn_reflns_theta_max         24.00
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.998
_exptl_absorpt_correction_T_min  0.990
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.255
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       lath
_exptl_crystal_F_000             1472
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.174
_refine_diff_density_min         -0.181
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     238
_refine_ls_number_reflns         2867
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0434
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0366P)^2^+0.9163P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0870
_refine_ls_wR_factor_ref         0.0960
_reflns_number_gt                2068
_reflns_number_total             2867
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3ra42266f.txt
_cod_data_source_block           x1033a
_cod_database_code               7239115