Pinene-Derived Iminodiacetic Acid (PIDA): A Powerful Ligand for Stereoselective Synthesis and Iterative Cross-Coupling of C(sp3) Boronate Building Blocks
Junqi Li; Martin D. Burke; Journal of the American Chemical Society 133 (2011) 13774–13777; doi:10.1021/ja205912y

data_4106723
_publ_section_title
;
 Pinene-Derived Iminodiacetic Acid (PIDA): A Powerful Ligand for
 Stereoselective Synthesis and Iterative Cross-Coupling of C(sp3) Boronate
 Building Blocks
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13774
_journal_page_last               13777
_journal_paper_doi               10.1021/ja205912y
_journal_volume                  133
_journal_year                    2011
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C22 H28 B N O5 '
_chemical_formula_sum            'C22 H28 B N O5'
_chemical_formula_weight         397.26
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
; 
? 
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.0616(6)
_cell_length_b                   10.2832(8)
_cell_length_c                   29.237(2)
_cell_measurement_reflns_used    4483
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      20.45
_cell_measurement_theta_min      2.42
_cell_volume                     2123.1(3)
_computing_cell_refinement       'SAINT V7.23A (Bruker, 2005)'
_computing_data_collection       'APEX2 V2.0-1 (Bruker, 2004)'
_computing_data_reduction
; 
SAINT V7.23A, XPREP V2005/2, SADABS V2007/4, (Bruker, 2005 & 2007) 
;
_computing_molecular_graphics
; 
SHELXTL V6.12 (Bruker, 2005), CrystalMaker v2.1.3 (CrystalMaker, 1994) 
;
_computing_publication_material  'XCIF V6.12 (Bruker, 2005)'
_computing_structure_refinement  'SHELXTL V6.12 (Bruker, 2005)'
_computing_structure_solution    'SHELXTL V6.12 (Bruker, 2005)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'Bruker Kappa/ApexII CCD'
_diffrn_measurement_method       'profile data from \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_radiation_wavelength_id  ba55mas
_diffrn_reflns_av_R_equivalents  0.0909
_diffrn_reflns_av_sigmaI/netI    0.0344
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            33736
_diffrn_reflns_theta_full        25.39
_diffrn_reflns_theta_max         25.39
_diffrn_reflns_theta_min         1.39
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.9939
_exptl_absorpt_correction_T_min  0.9602
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'SHELXTL/XPREP V2005/2 (Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.243
_exptl_crystal_description       plate
_exptl_crystal_F_000             848
_exptl_crystal_id                ba55mas
_exptl_crystal_preparation
; 
The data crystal was mounted using oil (Parantone-N, Exxon) to a 
0.3 mm cryo-loop (Hampton Research) with the (1 -1 -1) scattering 
planes roughly normal to the spindle axis. 
;
_exptl_crystal_size_max          0.560
_exptl_crystal_size_mid          0.420
_exptl_crystal_size_min          0.069
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.043
_refine_ls_abs_structure_details 'Friedel's merged'
_refine_ls_abs_structure_Flack   0(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     265
_refine_ls_number_reflns         2264
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0532
_refine_ls_R_factor_gt           0.0369
_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^)+(0.0494P)^2^+0.2270P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0826
_refine_ls_wR_factor_ref         0.0889
_reflns_number_gt                1841
_reflns_number_total             2264
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja205912y_si_004.cif
_cod_data_source_block           ba55mas
_cod_original_sg_symbol_H-M      'P 21 21 21 '
_cod_database_code               4106723