Synthesis of Tricyclic Spiranoid Lactones via I2/Sm(II)- and I2/Pd(0)-Mediated Cyclizations of a Common Cycloalkylmethylene Precursor.
Mostinski, Yelena; Valerio, Viviana; Lankri, David; Tsvelikhovsky, Dmitry; The Journal of organic chemistry 80 (2015) 10464–10473; doi:10.1021/acs.joc.5b01278

data_4036256
_publ_section_title
;
 Synthesis of Tricyclic Spiranoid Lactones via I2/Sm(II)- and
 I2/Pd(0)-Mediated Cyclizations of a Common Cycloalkylmethylene Precursor.
;
_journal_issue                   21
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10464
_journal_page_last               10473
_journal_paper_doi               10.1021/acs.joc.5b01278
_journal_volume                  80
_journal_year                    2015
_chemical_formula_moiety         'C13 H18 O2'
_chemical_formula_sum            'C13 H18 O2'
_chemical_formula_weight         206.27
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_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                95.326(2)
_cell_angle_beta                 93.482(2)
_cell_angle_gamma                92.823(2)
_cell_formula_units_Z            2
_cell_length_a                   6.706(1)
_cell_length_b                   7.429(1)
_cell_length_c                   11.243(2)
_cell_measurement_temperature    293(1)
_cell_volume                     555.82(15)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(1)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
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_diffrn_reflns_limit_k_min       -8
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_diffrn_reflns_theta_min         2.76
_exptl_absorpt_coefficient_mu    0.081
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_exptl_absorpt_correction_T_min  0.9667
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS V2.05'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.233
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
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_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.25
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_refine_diff_density_max         0.217
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_refine_ls_extinction_method     none
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_refine_ls_R_factor_all          0.0851
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0450P)^2^+0.3810P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1663
_refine_ls_wR_factor_ref         0.1686
_reflns_number_gt                1828
_reflns_number_total             1931
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo5b01278_si_005.cif
_cod_data_source_block           compound_32
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        555.8(1)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4036256