Synthesis, stereochemical analysis, and derivatization of myricanol provide new probes that promote autophagic tau clearance.
Martin, Mackenzie D.; Calcul, Laurent; Smith, Courtney; Jinwal, Umesh K.; Fontaine, Sarah N.; Darling, April; Seeley, Kent; Wojtas, Lukasz; Narayan, Malathi; Gestwicki, Jason E.; Smith, Garry R.; Reitz, Allen B.; Baker, Bill J.; Dickey, Chad A.; ACS chemical biology 10 (2015) 1099–1109; doi:10.1021/cb501013w

data_4512581
_publ_section_title
;
 Synthesis, stereochemical analysis, and derivatization of myricanol
 provide new probes that promote autophagic tau clearance.
;
_journal_issue                   4
_journal_name_full               'ACS chemical biology'
_journal_page_first              1099
_journal_page_last               1109
_journal_paper_doi               10.1021/cb501013w
_journal_volume                  10
_journal_year                    2015
_chemical_formula_moiety         'C21 H26 O5, H2 O'
_chemical_formula_sum            'C21 H28 O6'
_chemical_formula_weight         376.43
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.602(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2863(7)
_cell_length_b                   18.1078(13)
_cell_length_c                   10.1523(7)
_cell_measurement_temperature    100(2)
_cell_volume                     1884.9(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0463
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            21398
_diffrn_reflns_theta_full        66.56
_diffrn_reflns_theta_max         66.56
_diffrn_reflns_theta_min         4.31
_diffrn_source                   'INCOATEC Imus micro-focus source'
_exptl_absorpt_coefficient_mu    0.792
_exptl_absorpt_correction_T_max  0.9882
_exptl_absorpt_correction_T_min  0.9652
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2013'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.327
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.03
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3327
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0391
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0363P)^2^+1.0651P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0948
_reflns_number_gt                2584
_reflns_number_total             3327
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cb501013w_si_006.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 4512581--4512583.cif.'
_cod_database_code               4512581