Synthesis of Fasicularin.
Kaga, Atsushi; Tnay, Ya Lin; Chiba, Shunsuke; Organic letters 18 (2016) 3506–3508; doi:10.1021/acs.orglett.6b01669

data_1543571
_publ_contact_author
;
Dr Shunsuke Chiba
Division of Chemistry and Biological Chemistry
School of Physical and Mathematical Sciences
Nanyang Technological University
21 Nanyang Link
Singapore 637371
Singapore
;
_publ_section_title
;
 Synthesis of Fasicularin.
;
_journal_issue                   14
_journal_name_full               'Organic letters'
_journal_page_first              3506
_journal_page_last               3508
_journal_paper_doi               10.1021/acs.orglett.6b01669
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C20 H26 N2 O2'
_chemical_formula_weight         326.43
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                100.996(8)
_cell_angle_beta                 93.410(8)
_cell_angle_gamma                103.373(7)
_cell_formula_units_Z            2
_cell_length_a                   7.5726(19)
_cell_length_b                   10.186(3)
_cell_length_c                   12.215(3)
_cell_measurement_reflns_used    4626
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      30.8975
_cell_measurement_theta_min      2.4138
_cell_volume                     894.5(4)
_computing_cell_refinement       'SAINT V8.32B (Bruker AXS Inc., 2013)'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'SAINT V8.32B (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0389
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            19025
_diffrn_reflns_theta_full        31.06
_diffrn_reflns_theta_max         31.06
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.88
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2012/1 (Bruker AXS Inc.)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.212
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             352
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.400
_exptl_crystal_size_min          0.220
_refine_diff_density_max         0.380
_refine_diff_density_min         -0.273
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         5707
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0634
_refine_ls_R_factor_gt           0.0458
_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^)+(0.0656P)^2^+0.1636P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1124
_refine_ls_wR_factor_ref         0.1268
_reflns_number_gt                4394
_reflns_number_total             5707
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol6b01669_si_002.cif
_cod_data_source_block           I
_cod_depositor_comments
'Adding full bibliography for 1543570--1543571.cif.'
_cod_database_code               1543571
_shelx_res_checksum              9547
_shelx_hkl_checksum              29510