Total Synthesis of (-)-Maximiscin.
McClymont, Kyle S.; Wang, Feng-Yuan; Minakar, Amin; Baran, Phil S.; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.0c03202

data_4134875
_publ_section_title
;
 Total Synthesis of (-)-Maximiscin.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c03202
_journal_year                    2020
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H29 N O8'
_chemical_formula_sum            'C19 H29 N O8'
_chemical_formula_weight         399.43
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2019-09-20
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 105.1630(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.5167(2)
_cell_length_b                   18.5743(4)
_cell_length_c                   13.0021(2)
_cell_measurement_reflns_used    9879
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      66.63
_cell_measurement_theta_min      4.25
_cell_volume                     1985.22(7)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_collection       'APEX3 v2017.3-0 (Bruker, 2017)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_unetI/netI     0.0192
_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       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6979
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        66.687
_diffrn_reflns_theta_max         66.687
_diffrn_reflns_theta_min         3.522
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Rigaku MicroMax-007HF'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.873
_exptl_absorpt_correction_T_max  0.752819
_exptl_absorpt_correction_T_min  0.670175
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 TWINABS-2012/1 (Bruker,2012) was used for absorption correction.

Final HKLF 4 output contains 66133 reflections, Rint = 0.0327
 (50286 with I > 3sig(I), Rint = 0.0312)
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.336
_exptl_crystal_description       block
_exptl_crystal_F_000             856
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.198
_refine_diff_density_min         -0.184
_refine_diff_density_rms         0.031
_refine_ls_abs_structure_details
;
 Flack x determined using 3310 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.04(3)
_refine_ls_extinction_coef       0.0008(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     527
_refine_ls_number_reflns         6979
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0255
_refine_ls_R_factor_gt           0.0253
_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^)+(0.0459P)^2^+0.2785P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0683
_refine_ls_wR_factor_ref         0.0685
_reflns_Friedel_coverage         0.931
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.995
_reflns_number_gt                6948
_reflns_number_total             6979
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c03202_si_002.cif
_cod_data_source_block           baran740_0m_4_a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_database_code               4134875
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.902
_shelx_estimated_absorpt_t_min   0.780
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.9239(8)
 0.0761(8)
2. 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, All O(H) groups
3.a Ternary CH refined with riding coordinates:
 C7A(H7AA), C12A(H12A), C18A(H18A), C19A(H19A), C7B(H7BA), C12B(H12B),
 C18B(H18B), C19B(H19B)
3.b Secondary CH2 refined with riding coordinates:
 C1A(H1AA,H1AB), C2A(H2AA,H2AB), C3A(H3AA,H3AB), C4A(H4AA,H4AB), C5A(H5AA,
 H5AB), C1B(H1BA,H1BB), C2B(H2BA,H2BB), C3B(H3BA,H3BB), C4B(H4BA,H4BB),
 C5B(H5BA,H5BB)
3.c Aromatic/amide H refined with riding coordinates:
 C8A(H8A), C8B(H8B)
3.d Idealised Me refined as rotating group:
 C11A(H11A,H11B,H11C), C15A(H15A,H15B,H15C), C16A(H16A,H16B,H16C), C17A(H17A,
 H17B,H17C), C11B(H11D,H11E,H11F), C15B(H15D,H15E,H15F), C16B(H16D,H16E,H16F),
 C17B(H17D,H17E,H17F)
;
_shelx_res_checksum              98944
_shelx_hkl_checksum              20899
_olex2_submission_special_instructions 'No special instructions were received'