A simple and effective colorimetric technique for the detection of boronic acids and their derivatives
Lawrence, Katherine; Flower, Stephen E.; Kociok-Kohn, Gabriele; Frost, Christopher G.; James, Tony D.; Analytical Methods 4 (2012) 2215–; doi:10.1039/c2ay25346a

data_1514933
_publ_section_title
;
 A simple and effective colorimetric technique for the detection of
 boronic acids and their derivatives
;
_journal_issue                   8
_journal_name_full               'Analytical Methods'
_journal_page_first              2215
_journal_paper_doi               10.1039/c2ay25346a
_journal_volume                  4
_journal_year                    2012
_chemical_formula_moiety         'C28 H27 B O7, 2(C H4 O)'
_chemical_formula_sum            'C30 H35 B O9'
_chemical_formula_weight         550.39
_chemical_name_systematic
;
?
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 104.242(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.1656(7)
_cell_length_b                   14.6048(5)
_cell_length_c                   14.5328(6)
_cell_measurement_reflns_used    25170
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.028
_cell_measurement_theta_min      2.910
_cell_volume                     2914.2(2)
_computing_cell_refinement       'HKL Scalepack (Otwinski & Minor, 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
;
DENZO-SCALEPACK Z. Otwinowski and W. Minor, "
Processing of X-ray Diffraction Data Collected in Oscillation Mode ",
Methods in Enzymology, Volume 276: Macromolecular Crystallography,
part A, p.307-326, 1997,C.W. Carter, Jr. & R. M. Sweet, Eds., Academic Press.
;
_computing_molecular_graphics
'ORTEP3 for Windows - Farrugia, L. J. J. Appl. Crystallogr. 1997, 30, 565'
_computing_publication_material
;
'WinGX publication routines, Farrugia,
L. J., J. Appl. Crystallogr., 1999, 32, 837-838
;
_computing_structure_refinement
;
SHELXL97 -Program for Crystal Structure Analysis (Release 97-2).
Sheldrick, G.M., Institut f\"ur Anorganische Chemie der Universit\"at,
Tammanstrasse 4, D-3400 G\"ottingen, Germany, 1998
;
_computing_structure_solution
;
SIR97- Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C. ,
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
(1999) J. Appl. Cryst. 32, 115-119
;
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       '144 2.0 degree images with \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  0.0750
_diffrn_reflns_av_sigmaI/netI    0.0427
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            26871
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         5.10
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9731
_exptl_absorpt_correction_T_min  0.9557
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
multi-scan from symmetry-related measurements
Sortav (Blessing 1995)
;
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.254
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular shape'
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.434
_refine_diff_density_min         -0.365
_refine_diff_density_rms         0.050
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     418
_refine_ls_number_reflns         5059
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.1057
_refine_ls_R_factor_gt           0.0709
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0824P)^2^+3.1904P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1762
_refine_ls_wR_factor_ref         0.2083
_reflns_number_gt                3491
_reflns_number_total             5059
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ay25346a.txt
_cod_data_source_block           h09tdj1
_cod_database_code               1514933