Meroterpenoids with New Skeletons from Myrtus communis and Structure Revision of Myrtucommulone K.
Liu, Chao; Ang, Song; Huang, Xiao-Jun; Tian, Hai-Yan; Deng, Yuan-Yuan; Zhang, Dong-Mei; Wang, Ying; Ye, Wen-Cai; Wang, Lei; Organic letters 18 (2016) 4004–4007; doi:10.1021/acs.orglett.6b01817

data_1543751
_publ_section_title
;
 Meroterpenoids with New Skeletons from Myrtus communis and Structure
 Revision of Myrtucommulone K.
;
_journal_issue                   16
_journal_name_full               'Organic letters'
_journal_page_first              4004
_journal_page_last               4007
_journal_paper_doi               10.1021/acs.orglett.6b01817
_journal_volume                  18
_journal_year                    2016
_chemical_formula_sum            'C29 H44 O3'
_chemical_formula_weight         440.64
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.35689(13)
_cell_length_b                   16.2511(2)
_cell_length_c                   19.1684(3)
_cell_measurement_reflns_used    12608
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      62.8370
_cell_measurement_theta_min      3.5450
_cell_volume                     2603.23(7)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 16.0288
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0303
_diffrn_reflns_av_sigmaI/netI    0.0189
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            21014
_diffrn_reflns_theta_full        62.72
_diffrn_reflns_theta_max         62.72
_diffrn_reflns_theta_min         3.57
_exptl_absorpt_coefficient_mu    0.545
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.75875
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.124
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blocks
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.119
_refine_diff_density_min         -0.127
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.04(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         4150
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0289
_refine_ls_R_factor_gt           0.0283
_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^)+(0.0366P)^2^+0.4637P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0707
_refine_ls_wR_factor_ref         0.0711
_reflns_number_gt                4077
_reflns_number_total             4150
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol6b01817_si_004.cif
_cod_data_source_block           d2b1
_cod_depositor_comments
'Adding full bibliography for 1543749--1543751.cif.'
_cod_original_cell_volume        2603.24(6)
_cod_database_code               1543751