Total Synthesis of Tedarene A.
Maurent, Kelly; Vanucci-Bacqué, Corinne; Saffon-Merceron, Nathalie; Baltas, Michel; Bedos-Belval, Florence; Journal of natural products 80 (2017) 1623–1630; doi:10.1021/acs.jnatprod.7b00199

data_1553309
_publ_section_title
;
 Total Synthesis of Tedarene A.
;
_journal_issue                   5
_journal_name_full               'Journal of natural products'
_journal_page_first              1623
_journal_page_last               1630
_journal_paper_doi               10.1021/acs.jnatprod.7b00199
_journal_volume                  80
_journal_year                    2017
_chemical_formula_sum            'C20 H20 O2'
_chemical_formula_weight         292.36
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 98.832(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.3466(5)
_cell_length_b                   12.3756(7)
_cell_length_c                   14.0627(7)
_cell_measurement_reflns_used    9098
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      28.14
_cell_measurement_theta_min      2.95
_cell_volume                     1607.34(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      193(2)
_diffrn_detector_area_resol_mean 10.4167
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8-Venture CMOS detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0540
_diffrn_reflns_av_unetI/netI     0.0168
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            78231
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.320
_diffrn_reflns_theta_min         2.829
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.077
_exptl_absorpt_correction_T_max  0.7415
_exptl_absorpt_correction_T_min  0.7182
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker-AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.208
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.220
_refine_diff_density_max         0.312
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         3990
_refine_ls_number_restraints     261
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0871
_refine_ls_R_factor_gt           0.0628
_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^)+(0.0889P)^2^+0.6796P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1658
_refine_ls_wR_factor_ref         0.1912
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2919
_reflns_number_total             3990
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np7b00199_si_004.cif
_cod_data_source_block           KM4107-2_a
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1553309
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.970
_shelx_estimated_absorpt_t_max   0.983
_shelx_res_checksum              47769
_shelx_hkl_checksum              50250