An efficient and green procedure for synthesis of rhodanine derivatives by aldol-thia-Michael protocol using aqueous diethylamine medium
Barakat, Assem; Al-Majid, Abdullah M.; AL-Najjar, Hany J.; Mabkhot, Yahia N.; Ghabbour, Hazem A.; Fun, Hoong-Kun; RSC Advances 4 (2014) 4909–; doi:10.1039/c3ra46551a

data_7239429
_publ_section_title
;
 An efficient and green procedure for synthesis of rhodanine derivatives
 by aldol-thia-Michael protocol using aqueous diethylamine medium
;
_journal_issue                   10
_journal_name_full               'RSC Advances'
_journal_page_first              4909
_journal_paper_doi               10.1039/c3ra46551a
_journal_volume                  4
_journal_year                    2014
_chemical_formula_sum            'C14 H18 N2 O S2'
_chemical_formula_weight         294.42
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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
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_cell_angle_alpha                90.00
_cell_angle_beta                 126.696(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7960(3)
_cell_length_b                   13.0807(4)
_cell_length_c                   14.6416(4)
_cell_measurement_reflns_used    2969
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      69.73
_cell_measurement_theta_min      4.16
_cell_volume                     1657.90(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
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_diffrn_reflns_av_R_equivalents  0.0388
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_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
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_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            10343
_diffrn_reflns_theta_full        65.00
_diffrn_reflns_theta_max         65.00
_diffrn_reflns_theta_min         5.06
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.862
_exptl_absorpt_correction_T_max  0.4898
_exptl_absorpt_correction_T_min  0.3363
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS_Bruker_2009
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.180
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.49
_exptl_crystal_size_mid          0.43
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.514
_refine_diff_density_min         -0.366
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       0.0062(11)
_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   1.103
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2726
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0715
_refine_ls_R_factor_gt           0.0633
_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^)+(0.1170P)^2^+0.5835P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1992
_refine_ls_wR_factor_ref         0.2091
_reflns_number_gt                2247
_reflns_number_total             2726
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra46551a.txt
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        1657.90(8)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7239429