Catalysis of Mukaiyama Aldol Reactions by a Tricyclic Aluminum Alkoxide Lewis Acid
Steven M. Raders; John G. Verkade; Journal of Organic Chemistry 74 (2009) 5417–5428; doi:10.1021/jo9009134

data_4024717
_publ_section_title
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Catalysis of Mukaiyama Aldol Reactions by a Tricyclic Aluminum Alkoxide
Lewis Acid
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5417
_journal_page_last               5428
_journal_paper_doi               10.1021/jo9009134
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C40 H53 Al N O4 P'
_chemical_formula_weight         669.78
_chemical_name_systematic
; 

 ? 

;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.131(6)
_cell_angle_beta                 89.476(7)
_cell_angle_gamma                85.057(7)
_cell_formula_units_Z            4
_cell_length_a                   11.159(4)
_cell_length_b                   15.333(6)
_cell_length_c                   21.909(8)
_cell_measurement_reflns_used    959
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      20.25
_cell_measurement_theta_min      2.29
_cell_volume                     3679(2)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.1087
_diffrn_reflns_av_sigmaI/netI    0.1424
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            15122
_diffrn_reflns_theta_full        18.84
_diffrn_reflns_theta_max         18.84
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  0.9727
_exptl_absorpt_correction_T_min  0.9464
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.653
_refine_diff_density_min         -0.410
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     771
_refine_ls_number_reflns         5776
_refine_ls_number_restraints     835
_refine_ls_restrained_S_all      0.970
_refine_ls_R_factor_all          0.1370
_refine_ls_R_factor_gt           0.0753
_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^)+(0.1061P)^2^+6.6092P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1822
_refine_ls_wR_factor_ref         0.2244
_reflns_number_gt                3411
_reflns_number_total             5776
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo9009134_si_005.cif
_cod_data_source_block           ver130
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4024717