Asymmetric Total Synthesis of Arcutinidine, Arcutinine, and Arcutine.
Zhou, Shupeng; Xia, Kaifu; Leng, Xuebing; Li, Ang; Journal of the American Chemical Society 141 (2019) 13718–13723; doi:10.1021/jacs.9b05818

data_4128872
_publ_section_title
;
 Asymmetric Total Synthesis of Arcutinidine, Arcutinine, and Arcutine.
;
_journal_issue                   35
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              13718
_journal_page_last               13723
_journal_paper_doi               10.1021/jacs.9b05818
_journal_volume                  141
_journal_year                    2019
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C19 H28 O4'
_chemical_formula_sum            'C19 H28 O4'
_chemical_formula_weight         320.41
_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
_atom_sites_solution_primary     dual
_audit_creation_date             2019-05-05
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.1018(2)
_cell_length_b                   13.3284(3)
_cell_length_c                   17.4801(4)
_cell_measurement_reflns_used    9962
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      54.858
_cell_measurement_theta_min      5.853
_cell_volume                     1654.59(7)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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      169.98
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0325
_diffrn_reflns_av_unetI/netI     0.0197
_diffrn_reflns_Laue_measured_fraction_full 0.988
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            17963
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         54.886
_diffrn_reflns_theta_min         5.851
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.457
_exptl_absorpt_correction_T_max  0.7508
_exptl_absorpt_correction_T_min  0.6507
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1405 before and 0.0483 after correction. The Ratio of minimum to maximum transmission is 0.8667. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.166
_refine_diff_density_min         -0.126
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details
;
 Flack x determined using 1258 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.07(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         3119
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0284
_refine_ls_R_factor_gt           0.0276
_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^)+(0.0369P)^2^+0.2222P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0702
_refine_ls_wR_factor_ref         0.0708
_reflns_Friedel_coverage         0.726
_reflns_Friedel_fraction_full    0.992
_reflns_Friedel_fraction_max     0.992
_reflns_number_gt                3031
_reflns_number_total             3119
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b05818_si_002.cif
_cod_data_source_block           mj19279_0m
_cod_database_code               4128872
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.973
_shelx_estimated_absorpt_t_min   0.947
_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 Ternary CH refined with riding coordinates:
 C1(H1), C5(H5), C8(H8), C10(H10), C13(H13), C14(H14)
2.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C6(H6A,H6B), C7(H7A,H7B), C11(H11A,H11B), C12(H12A,H12B),
 C15(H15A,H15B), C16(H16A,H16B), C17(H17A,H17B), C18(H18A,H18B)
2.c Idealised Me refined as rotating group:
 C19(H19A,H19B,H19C)
2.d Idealised tetrahedral OH refined as rotating group:
 O2(H2)
;
_shelx_res_checksum              26544
_shelx_hkl_checksum              52455
_olex2_submission_special_instructions 'No special instructions were received'