Linear and Cyclic Amides with a Thiophene Backbone: Ultrasound-Promoted Synthesis and Crystal Structures
Thien H. Ngo; Hülya Berndt; Dieter Lentz; Hans-Ulrich Reissig; Journal of Organic Chemistry 77 (2012) 9676–9683; doi:10.1021/jo3017605

data_4027658
_publ_section_title
;
 Linear and Cyclic Amides with a Thiophene Backbone: Ultrasound-Promoted
 Synthesis and Crystal Structures
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              9676
_journal_page_last               9683
_journal_paper_doi               10.1021/jo3017605
_journal_volume                  77
_journal_year                    2012
_chemical_formula_sum            'C76 H62 Cl20 N6 O18 S6'
_chemical_formula_weight         2248.68
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                62.692(7)
_cell_angle_beta                 70.565(7)
_cell_angle_gamma                61.665(6)
_cell_formula_units_Z            1
_cell_length_a                   14.191(4)
_cell_length_b                   14.200(4)
_cell_length_c                   15.362(4)
_cell_measurement_reflns_used    860
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      25.0
_cell_measurement_theta_min      2.4
_cell_volume                     2394.8(12)
_computing_cell_refinement       'SAINT (Bruker-AXS)'
_computing_data_collection       'SMART (Bruker-AXS)'
_computing_data_reduction        'SAINT (Bruker-AXS)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_device_type  'Bruker-AXS SMART CCD'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.074
_diffrn_reflns_av_sigmaI/netI    0.1068
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            23805
_diffrn_reflns_theta_full        25.07
_diffrn_reflns_theta_max         25.07
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.767
_exptl_absorpt_correction_T_max  0.745
_exptl_absorpt_correction_T_min  0.685
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.559
_exptl_crystal_description       needle
_exptl_crystal_F_000             1140
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.06
_platon_squeeze_details
;
;
_refine_diff_density_max         0.901
_refine_diff_density_min         -1.105
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     470
_refine_ls_number_reflns         8268
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.1308
_refine_ls_R_factor_gt           0.0814
_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^)+(0.1214P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2118
_refine_ls_wR_factor_ref         0.2335
_reflns_number_gt                4611
_reflns_number_total             8268
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo3017605_si_002.cif
_cod_data_source_block           squeeze
_cod_original_cell_volume        2394.6(11)
_cod_database_code               4027658