Total Synthesis of (+)-Arborisidine.
Zhou, Zhiyao; Gao, Alison X.; Snyder, Scott A.; Journal of the American Chemical Society 141 (2019) 7715–7720; doi:10.1021/jacs.9b03248

data_4128227
_publ_section_title
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 Total Synthesis of (+)-Arborisidine.
;
_journal_issue                   19
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7715
_journal_page_last               7720
_journal_paper_doi               10.1021/jacs.9b03248
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C19 H20 N2 O2'
_chemical_formula_sum            'C19 H20 N2 O2'
_chemical_formula_weight         308.37
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_date             2018-06-26
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 98.345(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   9.1101(14)
_cell_length_b                   18.432(3)
_cell_length_c                   18.462(3)
_cell_measurement_reflns_used    9844
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.08
_cell_measurement_theta_min      2.37
_cell_volume                     3067.3(8)
_computing_cell_refinement       'SAINT V.8.35A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX3 v.2015.9-0 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V.8.35A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics
;
OLEX2: a complete structure solution, refinement and analysis program 
Dolomanov et al., 2009

Mercury: visualization and analysis of crystal structures
Macrae, et al., 2006

O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann.
J. Appl. Cryst. (2009). 42, 339-341;

C. F. Macrae, P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
M. Towler and J. van de Streek, J. Appl. Cryst. (2006). 39, 453-457.
;
_computing_publication_material
;
 APEX3 v.2015.5-2 (Bruker AXS Inc., 2015)
 OLEX2 (Dolomanov et al., 2009)
;
_computing_structure_refinement  'XL-2018/3 (Sheldrick, 2015b)'
_computing_structure_solution    'XT 2018/2 (Sheldrick, 2015a)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'Bruker PHOTON 100'
_diffrn_detector_area_resol_mean 10.4167
_diffrn_detector_type            CMOS
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0536
_diffrn_reflns_av_unetI/netI     0.0249
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            71281
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.127
_diffrn_reflns_theta_max         25.127
_diffrn_reflns_theta_min         2.230
_diffrn_source                   'micro-focus X-ray tube'
_diffrn_source_type              'INCOATEC ImuS'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6988
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. 
wR2(int) was 0.0991 before and 0.0641 after correction.
;
_exptl_crystal_colour            'clear colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_description       plate
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.319
_refine_diff_density_min         -0.173
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     427
_refine_ls_number_reflns         5461
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0566
_refine_ls_R_factor_gt           0.0392
_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^)+(0.0439P)^2^+1.4607P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0918
_refine_ls_wR_factor_ref         0.1005
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4288
_reflns_number_total             5461
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b03248_si_005.cif
_cod_data_source_block           mo_zz_snyder_2_0m
_cod_database_code               4128227
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.982
_shelx_estimated_absorpt_t_min   0.972
_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
2.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C3(H3A,H3B), C11(H11A,H11B), C13(H13A,H13B), C23(H23A,H23B),
 C25(H25A,H25B), C26(H26A,H26B), C29(H29A,H29B)
2.b Aromatic/amide H refined with riding coordinates:
 C10(H10), C15(H15), C16(H16), C17(H17), C18(H18), C33(H33), C34(H34),
 C35(H35), C36(H36), C38(H38)
2.c Idealised Me refined as rotating group:
 C6(H6A,H6B,H6C), C12(H12A,H12B,H12C), C20(H20A,H20B,H20C), C28(H28A,H28B,H28C)
;
_shelx_res_checksum              96463
_shelx_hkl_checksum              63496
_olex2_submission_special_instructions 'No special instructions were received'