Enantioselective γ-Alkylation of α,β-Unsaturated Malonates and Ketoesters by a Sequential Ir-Catalyzed Asymmetric Allylic Alkylation/Cope Rearrangement.
Liu, Wen-Bo; Okamoto, Noriko; Alexy, Eric J.; Hong, Allen Y.; Tran, Kristy; Stoltz, Brian M.; Journal of the American Chemical Society 138 (2016) 5234–5237; doi:10.1021/jacs.6b02153

data_4130309
_publ_section_title
;
 Enantioselective \g-Alkylation of \a,\b-Unsaturated Malonates and
 Ketoesters by a Sequential Ir-Catalyzed Asymmetric Allylic
 Alkylation/Cope Rearrangement.
;
_journal_issue                   16
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5234
_journal_page_last               5237
_journal_paper_doi               10.1021/jacs.6b02153
_journal_volume                  138
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H26 O2'
_chemical_formula_sum            'C19 H26 O2'
_chemical_formula_weight         286.40
_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   geom
_audit_creation_date             2016-01-04
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103),
 SHELXL-2014,
 and manual edit
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.1787(8)
_cell_length_b                   9.0018(11)
_cell_length_c                   29.470(3)
_cell_measurement_reflns_used    9762
_cell_measurement_temperature    100
_cell_measurement_theta_max      78.56
_cell_measurement_theta_min      3.00
_cell_volume                     1639.1(3)
_computing_cell_refinement       'SAINT V8.34A (Bruker-AXS, 2007)'
_computing_data_collection       'APEX2 2015.9-0 (Bruker-AXS, 2007)'
_computing_data_reduction        'SAINT V8.34A (Bruker-AXS, 2007)'
_computing_molecular_graphics    'DIAMOND 3 (Crystal Impact, 1999)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT-2014/4 (Sheldrick, 2012)'
_diffrn_ambient_temperature      100
_diffrn_detector                 'CMOS Area Detector'
_diffrn_detector_area_resol_mean 10.24
_diffrn_detector_type            'Bruker PHOTON 100 CMOS'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE Kappa Duo PHOTON 100 CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'multilayer mirrors'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0365
_diffrn_reflns_av_unetI/netI     0.0129
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            42476
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        67.000
_diffrn_reflns_theta_max         79.168
_diffrn_reflns_theta_min         2.999
_diffrn_source                   'I\mS HB micro-focus sealed tube'
_diffrn_source_current           1
_diffrn_source_power             0.05
_diffrn_source_type              'Incoatech I\mS HB'
_diffrn_source_voltage           50
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.569
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9358
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0766 before and 0.0522 after correction. The Ratio of minimum to maximum transmission is 0.9358. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.161
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.151
_refine_diff_density_min         -0.151
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 1414 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.06(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         3528
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0276
_refine_ls_R_factor_gt           0.0269
_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^)+(0.0349P)^2^+0.2342P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0674
_refine_ls_wR_factor_ref         0.0680
_reflns_Friedel_coverage         0.700
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.990
_reflns_number_gt                3460
_reflns_number_total             3528
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b02153_si_004.cif
_cod_data_source_block           p15573
_cod_database_code               4130309
_shelx_estimated_absorpt_t_max   0.945
_shelx_estimated_absorpt_t_min   0.909
_refine_ls_abs_structure_hooft   0.06(3)
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All O(H) groups
2. Others
 Sof(H2B)=Sof(C11A)=Sof(H11C)=Sof(H11D)=Sof(C12A)=Sof(H12A)=Sof(C13A)=
 Sof(H13A)=Sof(C14A)=Sof(C15A)=Sof(H15A)=Sof(C16A)=Sof(H16A)=Sof(C17A)=
 Sof(H17A)=Sof(C18A)=Sof(H18A)=Sof(C19A)=Sof(H19A)=1-FVAR(1)
 Sof(H2A)=Sof(C11)=Sof(H11A)=Sof(H11B)=Sof(C12)=Sof(H12)=Sof(C13)=Sof(H13)=
 Sof(C14)=Sof(C15)=Sof(H15)=Sof(C16)=Sof(H16)=Sof(C17)=Sof(H17)=Sof(C18)=
 Sof(H18)=Sof(C19)=Sof(H19)=FVAR(1)
3.a Ternary CH refined with riding coordinates:
 C2(H2A), C2(H2B)
3.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B), C7(H7A,H7B), C9(H9A,H9B),
 C10(H10A,H10B), C11(H11A,H11B), C11A(H11C,H11D)
3.c Aromatic/amide H refined with riding coordinates:
 C12(H12), C13(H13), C15(H15), C16(H16), C17(H17), C18(H18), C19(H19),
 C12A(H12A), C13A(H13A), C15A(H15A), C16A(H16A), C17A(H17A), C18A(H18A),
 C19A(H19A)
3.d Idealised tetrahedral OH refined as rotating group:
 O1(H1), O2(H2)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'