Catalyst free C–N bond formation by the reaction of amines with diimides: Bulky guanidines
Baishya, Ashim; Peddarao, Thota; Barman, Milan Kumar; Nembenna, Sharanappa; New J. Chem. 39 (2015) 7503–7510; doi:10.1039/C5NJ01612F

data_7055012
_publ_section_title
;
 Catalyst free C--N bond formation by the reaction of amines with
 diimides: Bulky guanidines
;
_journal_issue                   9
_journal_name_full               'New J. Chem.'
_journal_page_first              7503
_journal_page_last               7510
_journal_paper_doi               10.1039/C5NJ01612F
_journal_volume                  39
_journal_year                    2015
_chemical_formula_sum            'C21 H27 N3'
_chemical_formula_weight         321.46
_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
_audit_update_record
;
2015-05-13 deposited with the CCDC.
2015-07-23 downloaded from the CCDC.
;
_cell_angle_alpha                69.409(10)
_cell_angle_beta                 81.907(10)
_cell_angle_gamma                77.454(10)
_cell_formula_units_Z            2
_cell_length_a                   8.443(2)
_cell_length_b                   10.304(2)
_cell_length_c                   12.134(2)
_cell_measurement_reflns_used    3081
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.34
_cell_measurement_theta_min      2.96
_cell_volume                     962.2(3)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0280
_diffrn_reflns_av_sigmaI/netI    0.0246
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13541
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.96
_exptl_absorpt_coefficient_mu    0.066
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7010
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.110
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             348
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.098
_refine_diff_density_max         0.369
_refine_diff_density_min         -0.206
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         3582
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0810
_refine_ls_R_factor_gt           0.0587
_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^)+(0.0877P)^2^+0.2845P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1640
_refine_ls_wR_factor_ref         0.1838
_reflns_number_gt                2527
_reflns_number_total             3582
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5nj01612f2.cif
_cod_data_source_block           sn_191_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 
;
_cod_original_cell_volume        962.2(8)
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7055012