Pd/Cu cooperative catalysis: an efficient synthesis of (3-isoindazolyl)allenes via cross-coupling of 2-alkynyl azobenzenes and terminal alkynes.
Zhu, Chuan; Feng, Chao; Yamane, Motoki; Chemical communications (Cambridge, England) 53 (2017) 2606–2609; doi:10.1039/c7cc00562h

data_7119583
_publ_section_title
;
 Pd/Cu cooperative catalysis: an efficient synthesis of
 (3-isoindazolyl)allenes via cross-coupling of 2-alkynyl azobenzenes and
 terminal alkynes.
;
_journal_issue                   17
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2606
_journal_page_last               2609
_journal_paper_doi               10.1039/c7cc00562h
_journal_volume                  53
_journal_year                    2017
_chemical_formula_moiety         'C28 H20 N2'
_chemical_formula_sum            'C28 H20 N2'
_chemical_formula_weight         384.46
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-12-15 deposited with the CCDC.
2017-02-03 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 104.225(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.0530(5)
_cell_length_b                   9.5096(4)
_cell_length_c                   19.5855(9)
_cell_measurement_reflns_used    9185
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      30.96
_cell_measurement_theta_min      2.40
_cell_volume                     1995.50(15)
_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      103(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0388
_diffrn_reflns_av_sigmaI/netI    0.0297
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            37491
_diffrn_reflns_theta_full        31.06
_diffrn_reflns_theta_max         31.06
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.9764
_exptl_absorpt_correction_T_min  0.9707
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.280
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.32
_refine_diff_density_max         0.483
_refine_diff_density_min         -0.315
_refine_diff_density_rms         0.082
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     271
_refine_ls_number_reflns         6328
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0612
_refine_ls_R_factor_gt           0.0486
_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^+0.4272P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1311
_refine_ls_wR_factor_ref         0.1470
_reflns_number_gt                5174
_reflns_number_total             6328
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7cc00562h2.cif
_cod_data_source_block           yam14
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 7119582--7119583.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7119583