Synthesis of new Pro-PYE ligands as co-catalysts toward Pd-catalyzed Heck–Mizoroki cross coupling reactions
Munir, Naima; Masood, Sara; Liaqat, Faroha; Tahir, Muhammad Nawaz; Yousuf, Sammer; Kalsoom, Saima; Mughal, Ehsan Ullah; Sumrra, Sajjad Hussain; Maalik, Aneela; Zafar, Muhammad Naveed; RSC Advances 9 (2019) 37986–; doi:10.1039/C9RA07912B

data_7235251
_publ_section_title
;
 Synthesis of new Pro-PYE ligands as co-catalysts toward Pd-catalyzed
 Heck--Mizoroki cross coupling reactions
;
_journal_issue                   65
_journal_name_full               'RSC Advances'
_journal_page_first              37986
_journal_paper_doi               10.1039/C9RA07912B
_journal_volume                  9
_journal_year                    2019
_chemical_formula_iupac          'C16 H24 I2 N4'
_chemical_formula_moiety         'C16 H24 N4, 2(I)'
_chemical_formula_sum            'C16 H24 I2 N4'
_chemical_formula_weight         526.19
_chemical_melting_point          577.15
_chemical_name_systematic
;
2,2'-(Ethane-1,2-diylbis(azanediyl))bis(1-ethylpyridin-1-ium) chloride
;
_space_group_crystal_system      trigonal
_space_group_IT_number           148
_space_group_name_Hall           '-R 3'
_space_group_name_H-M_alt        'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-11-05 deposited with the CCDC.	2019-11-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            9
_cell_length_a                   25.3399(9)
_cell_length_b                   25.3399(9)
_cell_length_c                   8.0684(2)
_cell_measurement_reflns_used    1694
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.000
_cell_measurement_theta_min      2.690
_cell_volume                     4486.7(3)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics
'ORTEP-3 for Windows (Farrugia, 1997) and PLATON (Spek, 2009)'
_computing_publication_material
;
WinGX (Farrugia, 1999) and PLATON (Spek, 2009)
;
_computing_structure_refinement  'SHELXL-2018/3  (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector_area_resol_mean 7.83
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker Kappa APEXII CCD'
_diffrn_measurement_method       \w
_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  0.0387
_diffrn_reflns_av_unetI/netI     0.0413
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            6081
_diffrn_reflns_theta_full        27.000
_diffrn_reflns_theta_max         27.000
_diffrn_reflns_theta_min         2.690
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.157
_exptl_absorpt_correction_T_max  0.910
_exptl_absorpt_correction_T_min  0.850
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2005)'
_exptl_crystal_colour            'Fawn yellow solid'
_exptl_crystal_density_diffrn    1.753
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2286
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.638
_refine_diff_density_min         -0.717
_refine_diff_density_rms         0.078
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     103
_refine_ls_number_reflns         2153
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0497
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0396P)^2^+12.5789P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0913
_refine_ls_wR_factor_ref         0.0992
_reflns_number_gt                1694
_reflns_number_total             2153
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c9ra07912b2.cif
_cod_data_source_block           dsaqaun
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_chemical_melting_point' value '304 \oC' was changed to
'577.15' -- it was converted from degrees Celsius(C) to Kelvins(K).

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_database_code               7235251
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              33054