A reductive-Heck approach to the hydroazulene ring system: a formal synthesis of the englerins.
Gao, Peng; Cook, Silas P.; Organic letters 14 (2012) 3340–3343; doi:10.1021/ol3013167

data_1507855
_publ_section_title
;
 A reductive-Heck approach to the hydroazulene ring system: a formal
 synthesis of the englerins.
;
_journal_issue                   13
_journal_name_full               'Organic letters'
_journal_page_first              3340
_journal_page_last               3343
_journal_paper_doi               10.1021/ol3013167
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C15 H24 O2'
_chemical_formula_sum            'C15 H24 O2'
_chemical_formula_weight         236.34
_space_group_IT_number           148
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                120.00
_cell_formula_units_Z            18
_cell_length_a                   27.8708(13)
_cell_length_b                   27.8708(13)
_cell_length_c                   9.5026(5)
_cell_measurement_reflns_used    9837
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      23.13
_cell_measurement_theta_min      2.30
_cell_volume                     6392.5(5)
_computing_cell_refinement       'APEX II v2009.5.0 (Bruker, 2009)'
_computing_data_collection       'APEX II v2009.5.0 (Bruker, 2009)'
_computing_data_reduction        'APEX II v2009.5.0 (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2008)'
_computing_publication_material  'SHELXTL (Bruker, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR-2004 (Burla et al., 2005)'
_diffrn_ambient_temperature      296(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 83.33
_diffrn_detector_type            'Bruker APEXII'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_details
'0.30 degree frames measured for 50 seconds each'
_diffrn_measurement_device       'APEX Kappa Duo'
_diffrn_measurement_device_type  Kappa
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0348
_diffrn_reflns_av_sigmaI/netI    0.0148
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       34
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            39610
_diffrn_reflns_theta_full        26.36
_diffrn_reflns_theta_max         26.36
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.9965
_exptl_absorpt_correction_T_min  0.9838
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing; 1995'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.105
_exptl_crystal_density_meas      0
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2340
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.301
_refine_diff_density_rms         0.033
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     161
_refine_ls_number_reflns         2911
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0683
_refine_ls_R_factor_gt           0.0508
_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^)+(0.0715P)^2^+5.3918P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1361
_refine_ls_wR_factor_ref         0.1519
_reflns_number_gt                2166
_reflns_number_total             2911
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol3013167_si_004.cif
_cod_data_source_block           10058
_cod_depositor_comments
;Adding full bibliography for 1507853--1507855.cif.

The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scans' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               1507855