Synthesis and Stability Study of Isocyano Aryl Boronate Esters and their Synthetic Applications
Fang, Hao-Ping; Fu, Chia-Chieh; Tai, Chin-Kuen; Chang, Ken-Hao; Yang, Ru-Han; Wu, Meng-Ju; Chen, Hsien-Chi; Li, Chia-Jung; Huang, Shi-Qing; Lien, Wan-Hsiang; Chen, Chih-Hsin; Hsieh, Chung-Hung; Wang, Bo-Cheng; Cheung, Siu-Fung; Pan, PoShen; RSC Adv.  (2016) –; doi:10.1039/C5RA27624A

data_7224644
_publ_section_title
;
 Synthesis and Stability Study of Isocyano Aryl Boronate Esters and their
 Synthetic Applications
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA27624A
_journal_year                    2016
_chemical_formula_moiety         'C13 H17 B N4 O2'
_chemical_formula_sum            'C13 H17 B N4 O2'
_chemical_formula_weight         272.12
_chemical_name_systematic
1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-tetrazole
_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
;
2015-12-22 deposited with the CCDC.
2016-03-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 108.949(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.6880(11)
_cell_length_b                   6.9800(8)
_cell_length_c                   11.9076(9)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     1390.5(2)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Giacovazzo et al, 1997)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX2'
_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  0.0487
_diffrn_reflns_av_sigmaI/netI    0.0685
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7550
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         2.43
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9982
_exptl_absorpt_correction_T_min  0.9806
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.300
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             576
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: n-Hexane/ Dichloromethane'
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.182
_refine_diff_density_min         -0.179
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.012
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         2442
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.012
_refine_ls_R_factor_all          0.0966
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0496P)^2^+0.2774P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1003
_refine_ls_wR_factor_ref         0.1169
_reflns_number_gt                1575
_reflns_number_total             2442
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra27624a2.cif
_cod_data_source_block           a17398
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7224644