Reaction of sterically encumbered phenols, TEMPO-H, and organocarbonyl insertion reactions with L-AlH2 (L = HC(MeCNDipp)2, Dipp = 2,6-diisopropylphenyl)
Keyes, Lauren K.; Todd, Angela D. K.; Giffin, Nick A.; Veinot, Alex J.; Hendsbee, Arthur D.; Robertson, Katherine N.; Geier, Stephen J.; Masuda, Jason D.; RSC Adv. 7 (2017) 37315–; doi:10.1039/C7RA06526D

data_7228786
_publ_section_title
;
 Reaction of sterically encumbered phenols, TEMPO-H, and organocarbonyl
 insertion reactions with L-AlH2 (L = HC(MeCNDipp)2, Dipp =
 2,6-diisopropylphenyl)
;
_journal_issue                   59
_journal_name_full               'RSC Adv.'
_journal_page_first              37315
_journal_paper_doi               10.1039/C7RA06526D
_journal_volume                  7
_journal_year                    2017
_chemical_formula_moiety         'C42 H53 Al N2 O'
_chemical_formula_sum            'C42 H55 Al N2 O'
_chemical_formula_weight         630.86
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_date             2016-08-10
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2017-05-05 deposited with the CCDC.
2017-07-14 downloaded from the CCDC.
;
_cell_angle_alpha                74.343(2)
_cell_angle_beta                 78.384(2)
_cell_angle_gamma                81.887(2)
_cell_formula_units_Z            2
_cell_length_a                   10.589(2)
_cell_length_b                   11.828(3)
_cell_length_c                   17.768(4)
_cell_measurement_reflns_used    2698
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22.64
_cell_measurement_theta_min      2.40
_cell_volume                     2090.0(8)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      99.98
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.968
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0762
_diffrn_reflns_av_unetI/netI     0.1120
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.968
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            25497
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.968
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         28.369
_diffrn_reflns_theta_min         1.208
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6384
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.0710 before and 0.0563 after correction.
The Ratio of minimum to maximum transmission is 0.8561.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_density_diffrn    1.002
_exptl_crystal_F_000             684
_refine_diff_density_max         2.856
_refine_diff_density_min         -0.510
_refine_diff_density_rms         0.188
_refine_ls_extinction_coef       0.065(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
_refine_ls_goodness_of_fit_ref   1.231
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     430
_refine_ls_number_reflns         10130
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.231
_refine_ls_R_factor_all          0.1798
_refine_ls_R_factor_gt           0.1186
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1866P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.3381
_refine_ls_wR_factor_ref         0.3795
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5237
_reflns_number_total             10130
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ra06526d1.cif
_cod_data_source_block           lk07_0m_a
_cod_database_code               7228786
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C12(H12), C15(H15), C24(H24), C27(H27), C30(H30)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C8(H8), C9(H9), C10(H10), C20(H20), C21(H21), C22(H22), C32(H32),
 C33(H33), C34(H34), C35(H35), C36(H36), C38(H38), C39(H39), C40(H40), C41(H41),
  C42(H42)
2.c Idealised Me refined as rotating group:
 C2(H2A,H2B,H2C), C5(H5A,H5B,H5C), C13(H13A,H13B,H13C), C14(H14A,H14B,H14C),
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C25(H25A,H25B,H25C), C26(H26A,H26B,
 H26C), C28(H28A,H28B,H28C), C29(H29A,H29B,H29C)
;
_platon_squeeze_void_probe_radius 1.20