Glaser–Eglinton–Hay sp–sp coupling and macrocyclization: construction of a new class of polyether macrocycles having a 1,3-diyne unit
Naveen, Naveen; Babu, Srinivasarao Arulananda; Kaur, Gurpreet; Aslam, Nayyar Ahmad; Karanam, Maheswararao; RSC Adv. 4 (2014) 18904–; doi:10.1039/C4RA02174F

data_7235622
_publ_section_title
;
 Glaser--Eglinton--Hay sp--sp coupling and macrocyclization: construction
 of a new class of polyether macrocycles having a 1,3-diyne unit
;
_journal_issue                   36
_journal_name_full               'RSC Adv.'
_journal_page_first              18904
_journal_paper_doi               10.1039/C4RA02174F
_journal_volume                  4
_journal_year                    2014
_chemical_formula_moiety         'C24 H26 O5 S'
_chemical_formula_sum            'C24 H26 O5 S'
_chemical_formula_weight         426.51
_space_group_IT_number           62
_space_group_name_Hall           '-P 2ac 2n'
_space_group_name_H-M_alt        'P n m a'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      62
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2014-03-06T15:55:10-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5532(5)
_cell_length_b                   24.2453(13)
_cell_length_c                   9.5232(4)
_cell_measurement_reflns_used    794
_cell_measurement_temperature    298
_cell_measurement_theta_max      20.12
_cell_measurement_theta_min      3.02
_cell_volume                     2205.77(19)
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
        J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
        J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
        SHELXL, G.M. Sheldrick, Acta Cryst.
        (2008). A64, 112-122
;
_computing_structure_solution
;
        XS, G.M. Sheldrick, Acta Cryst.
        (2008). A64, 112-122
;
_diffrn_ambient_temperature      298
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.99
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0762
_diffrn_reflns_Laue_measured_fraction_full 0.961
_diffrn_reflns_Laue_measured_fraction_max 0.99
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            9531
_diffrn_reflns_point_group_measured_fraction_full 0.961
_diffrn_reflns_point_group_measured_fraction_max 0.99
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.014
_diffrn_reflns_theta_min         1.68
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.179
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6819
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        SADABS-2008/1 (Bruker,2008) was used for absorption correction.
        wR2(int) was 0.0654 before and 0.0581 after correction.
        The Ratio of minimum to maximum transmission is 0.9147.
        The \l/2 correction factor is 0.0015.
;
_exptl_crystal_density_diffrn    1.284
_exptl_crystal_description       block
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.171
_refine_diff_density_min         -0.176
_refine_diff_density_rms         0.041
_refine_ls_extinction_coef       0.0084(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   0.959
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         1973
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.959
_refine_ls_R_factor_all          0.1507
_refine_ls_R_factor_gt           0.0515
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0462P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0945
_refine_ls_wR_factor_ref         0.1232
_reflns_number_gt                906
_reflns_number_total             1973
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c4ra02174f2.cif
_cod_data_source_block           nm1066
_cod_database_code               7235622