Formaldehyde N,N-dialkylhydrazones as neutral formyl anion equivalents in iridium-catalyzed asymmetric allylic substitution.
Breitler, Simon; Carreira, Erick M.; Journal of the American Chemical Society 137 (2015) 5296–5299; doi:10.1021/jacs.5b01951

data_4129404
_publ_section_title
;
 Formaldehyde N,N-dialkylhydrazones as neutral formyl anion equivalents in
 iridium-catalyzed asymmetric allylic substitution.
;
_journal_issue                   16
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5296
_journal_page_last               5299
_journal_paper_doi               10.1021/jacs.5b01951
_journal_volume                  137
_journal_year                    2015
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C13 H14 F3 N O'
_chemical_formula_sum            'C13 H14 F3 N O'
_chemical_formula_weight         257.25
_chemical_name_systematic
2,2,2-trifluoro-N-((2R,3R)-3-phenylpent-4-en-2-yl)acetamide
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2015-01-15
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.12 svn.r3133 for OlexSys, GUI svn.r4987)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.0858(5)
_cell_length_b                   8.4697(9)
_cell_length_c                   29.590(3)
_cell_measurement_reflns_used    7688
_cell_measurement_temperature    100.0(2)
_cell_measurement_theta_max      27.43
_cell_measurement_theta_min      2.75
_cell_volume                     1274.6(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0(2)
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 8.33
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'kappa-stage diffractometer'
_diffrn_measurement_device_type  'Bruker Kappa Apex2 Duo'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'focusing graphite'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0314
_diffrn_reflns_av_unetI/netI     0.0200
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -5
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            21390
_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         27.577
_diffrn_reflns_theta_min         2.501
_diffrn_source                   'sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6554
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0520 before and 0.0463 after correction.
The Ratio of minimum to maximum transmission is 0.8790.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_description       plate
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.272
_refine_diff_density_min         -0.188
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details
;
 Flack x determined using 1050 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.2(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     224
_refine_ls_number_reflns         2945
_refine_ls_number_restraints     372
_refine_ls_restrained_S_all      1.384
_refine_ls_R_factor_all          0.0413
_refine_ls_R_factor_gt           0.0364
_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^)+(0.0419P)^2^+0.3681P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0880
_refine_ls_wR_factor_ref         0.0911
_reflns_Friedel_coverage         0.679
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.997
_reflns_number_gt                2721
_reflns_number_total             2945
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5b01951_si_004.cif
_cod_data_source_block           mo_ca020115_1_1_0m
_cod_database_code               4129404
_shelxl_version_number           2014/6
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Restrained distances
 N1-H1
 0.91 with sigma of 0.02
 F1-F2 \\sim F2-F3 \\sim F1-F3 \\sim F1B-F2B \\sim F2B-F3B \\sim F1B-F3B \\sim
F1A-F2A \\sim F1A-F3A \\sim F2A-
 F3A
 with sigma of 0.01
 F3B-C8 \\sim F2-C8 \\sim F1A-C8 \\sim F2B-C8 \\sim F1-C8 \\sim F3A-C8 \\sim
F1B-C8 \\sim F3-C8 \\sim F2A-C8
 with sigma of 0.01
3. Rigid bond restraints
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.01 and sigma for 1-3 distances of 0.01
4. Uiso/Uaniso restraints and constraints
Uanis(F1) \\sim Ueq, Uanis(F2) \\sim Ueq, Uanis(F3) \\sim Ueq, Uanis(F3A) \\sim
Ueq, Uanis(F2A) \\sim Ueq, Uanis(F1A) \\sim Ueq, Uanis(F1B) \\sim Ueq,
Uanis(F2B) \\sim Ueq, Uanis(F3B) \\sim Ueq: with sigma of 0.01 and sigma for
terminal atoms of 0.01
5. Rigid body (RIGU) restrains
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
6. Others
 1*[Sof(F1)+Sof(F2)+Sof(F3)]+1*[Sof(F1B)+Sof(F2B)+Sof(F3B)]+1*[Sof(F3A)+
 Sof(F2A)+Sof(F1A)]=1 with esd of 0.0001
 Sof(F1)=Sof(F2)=Sof(F3)=FVAR(1)
 Sof(F1B)=Sof(F2B)=Sof(F3B)=FVAR(2)
 Sof(F3A)=Sof(F2A)=Sof(F1A)=FVAR(3)
7.a Ternary CH refined with riding coordinates:
 C5(H5), C6(H6)
7.b Aromatic/amide H refined with riding coordinates:
 C1(H1A), C2(H2), C3(H3), C10(H10), C12(H12), C13(H13)
7.c X=CH2 refined with riding coordinates:
 C11(H11A,H11B)
7.d Idealised Me refined as rotating group:
 C9(H9A,H9B,H9C)
;
_shelx_res_checksum              12821
_shelx_hkl_checksum              35056
_olex2_date_sample_data_collection 2015-01-13
_olex2_date_sample_submission    2015-01-05
_olex2_submission_original_sample_id ca020115_1_1
_olex2_submission_special_instructions 'No special instructions were received'