Formation of hydrazones and stabilized boron-nitrogen heterocycles in aqueous solution from carbohydrazides and ortho-formylphenylboronic acids
Gu, Han; Chio, Tak Ian; Lei, Zhen; Staples, Richard J.; Hirschi, Jennifer S.; Bane, Susan; Org. Biomol. Chem.  (2017) –; doi:10.1039/C7OB01708A

data_7155805
_publ_section_title
;
 Formation of hydrazones and stabilized boron-nitrogen heterocycles in
 aqueous solution from carbohydrazides and ortho-formylphenylboronic acids
;
_journal_name_full               'Org. Biomol. Chem.'
_journal_paper_doi               10.1039/C7OB01708A
_journal_year                    2017
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C10 H12 B N3 O2'
_chemical_formula_sum            'C10 H12 B N3 O2'
_chemical_formula_weight         217.04
_chemical_name_systematic        'glyzide acetyl diazaborine'
_space_group_crystal_system      monoclinic
_space_group_IT_number           7
_space_group_name_Hall           'P -2yc'
_space_group_name_H-M_alt        'P 1 c 1'
_symmetry_space_group_name_Hall  'P -2yc'
_symmetry_space_group_name_H-M   'P 1 c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-10-10
_audit_creation_method
;
Olex2 1.2-alpha
(compiled 2016.10.04 svn.r3343 for OlexSys, GUI svn.r5250)
;
_audit_update_record
;
2016-11-20 deposited with the CCDC.
2017-08-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.5113(11)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   8.5138(9)
_cell_length_b                   5.9254(6)
_cell_length_c                   10.2590(11)
_cell_measurement_reflns_used    5325
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.04
_cell_measurement_theta_min      2.48
_cell_volume                     498.69(9)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'COSMO (BRUKER, V1.61, 2009)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.36
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_unetI/netI     0.0263
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            8106
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.046
_diffrn_reflns_theta_min         2.483
_diffrn_source                   'sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6903
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0539 before and 0.0494 after correction. The Ratio of minimum to maximum transmission is 0.9262. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.445
_exptl_crystal_description       chunk
_exptl_crystal_F_000             228
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: water/dmso'
_exptl_crystal_size_max          0.201
_exptl_crystal_size_mid          0.147
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.189
_refine_diff_density_min         -0.140
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details
;
 Flack x determined using 884 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.9(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         1971
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.033
_refine_ls_R_factor_all          0.0320
_refine_ls_R_factor_gt           0.0296
_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^)+(0.0355P)^2^+0.1140P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0697
_refine_ls_wR_factor_ref         0.0723
_reflns_Friedel_coverage         0.989
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                1871
_reflns_number_total             1971
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ob01708a2.cif
_cod_data_source_block           jhbu1016b
_cod_database_code               7155805
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   0.995
_shelx_estimated_absorpt_t_min   0.980
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2.a Secondary CH2 refined with riding coordinates:
 N3(H3A,H3B), C2(H2A,H2B)
2.b Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C10(H10)
2.c Idealised Me refined as rotating group:
 C3(H3C,H3D,H3E)
2.d Idealised tetrahedral OH refined as rotating group:
 O1(H1)
;
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_exptl_crystal_mounting_method
'The crystal was mounted on a nylon loop with paratone oil'
_olex2_submission_original_sample_id 2
_olex2_submission_special_instructions 'No special instructions were received'