Pd-Catalyzed Decarboxylative Olefination: Stereoselective Synthesis of Polysubstituted Butadienes and Bioactive Macrocyclic Inhibitors.
Song, Bichao; Xie, Peipei; Li, Yingzi; Hao, Jiping; Wang, Lu; Chen, Xiangyang; Xu, Zhongliang; Quan, Haitian; Lou, Li-Guang; Xia, Yuanzhi; Houk, K. N.; Yang, Weibo; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.0c00078

data_4135009
_publ_section_title
;
 Pd-Catalyzed Decarboxylative Olefination: Stereoselective Synthesis of
 Polysubstituted Butadienes and Bioactive Macrocyclic Inhibitors.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c00078
_journal_year                    2020
_chemical_formula_moiety         'C19 H18 O3'
_chemical_formula_sum            'C19 H18 O3'
_chemical_formula_weight         294.33
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-04-12
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5335)
;
_cell_angle_alpha                90
_cell_angle_beta                 96.911(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.890(3)
_cell_length_b                   14.011(5)
_cell_length_c                   12.417(5)
_cell_measurement_reflns_used    884
_cell_measurement_temperature    205
_cell_measurement_theta_max      25.57
_cell_measurement_theta_min      2.20
_cell_volume                     1535.4(10)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      205
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.983
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0316
_diffrn_reflns_av_unetI/netI     0.0409
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.983
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9451
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.531
_diffrn_reflns_theta_min         2.201
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6233
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2008/1 (Bruker,2008) was used for absorption correction. wR2(int) was 0.0596 before and 0.0432 after correction. The Ratio of minimum to maximum transmission is 0.8360. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.271
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         3486
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0646
_refine_ls_R_factor_gt           0.0469
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0860P)^2^+0.1070P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1350
_refine_ls_wR_factor_ref         0.1499
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2611
_reflns_number_total             3486
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c00078_si_002.cif
_cod_data_source_block           mo_2017238-bc-end-1_0m
_cod_original_cell_volume        1535.5(10)
_cod_database_code               4135009
_shelx_shelxl_version_number     2014/7
_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 C(H,H,H) groups, All O(H) groups
2.a Secondary CH2 refined with riding coordinates:
 C19(H19A,H19B)
2.b Aromatic/amide H refined with riding coordinates:
 C11(H11), C10(H10), C9(H9), C5(H5), C14(H14), C18(H18), C7(H7), C16(H16),
 C6(H6), C17(H17), C8(H8), C15(H15)
2.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
2.d Idealised tetrahedral OH refined as rotating group:
 O3(H3)
;
_olex2_submission_special_instructions 'No special instructions were received'