Synthesis of guaia-4(5)-en-11-ol, guaia-5(6)-en-11-ol, aciphyllene, 1-epi-melicodenones C and E, and other guaiane-type sesquiterpenoids via the diastereoselective epoxidation of guaiol.
Huang, An-Cheng; Sumby, Christopher J.; Tiekink, Edward R. T.; Taylor, Dennis K.; Journal of natural products 77 (2014) 2522–2536; doi:10.1021/np500611z

data_1518067
_publ_section_title
;
 Synthesis of guaia-4(5)-en-11-ol, guaia-5(6)-en-11-ol, aciphyllene,
 1-epi-melicodenones C and E, and other guaiane-type sesquiterpenoids via
 the diastereoselective epoxidation of guaiol.
;
_journal_issue                   11
_journal_name_full               'Journal of natural products'
_journal_page_first              2522
_journal_page_last               2536
_journal_paper_doi               10.1021/np500611z
_journal_volume                  77
_journal_year                    2014
_chemical_absolute_configuration rm
_chemical_formula_sum            'C15 H20 O3'
_chemical_formula_weight         248.31
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 104.156(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.3680(6)
_cell_length_b                   5.5232(2)
_cell_length_c                   16.9484(7)
_cell_measurement_reflns_used    3295
_cell_measurement_temperature    149(2)
_cell_measurement_theta_max      29.1656
_cell_measurement_theta_min      2.4737
_cell_volume                     1304.14(9)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
;
_computing_molecular_graphics    'X-Seed (Barbour, 2001)'
_computing_publication_material  'CIFTAB (Sheldrck)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      149(2)
_diffrn_detector_area_resol_mean 16.1695
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0430
_diffrn_reflns_av_sigmaI/netI    0.0444
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            7913
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.62128
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.21 (release 20-01-2012 CrysAlis171 .NET)
(compiled Jan 23 2012,18:06:46)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.232
_refine_diff_density_min         -0.177
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         2860
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0402
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0484P)^2^+0.3826P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0945
_refine_ls_wR_factor_ref         0.0974
_reflns_number_gt                2667
_reflns_number_total             2860
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            np500611z_si_003.cif
_cod_data_source_block           ah016b
_cod_depositor_comments
'Adding full bibliography for 1518063--1518067.cif.'
_cod_original_sg_symbol_H-M      C2
_cod_database_code               1518067