Palladium-Catalyzed Cascade Assembly of Tricyclic Spiroethers from Diene-Alcohol Precursors.
Lankri, David; Mostinski, Yelena; Tsvelikhovsky, Dmitry; The Journal of organic chemistry 82 (2017) 9452–9463; doi:10.1021/acs.joc.7b01481

data_4033066
_publ_section_title
;
 Palladium-Catalyzed Cascade Assembly of Tricyclic Spiroethers from
 Diene-Alcohol Precursors.
;
_journal_issue                   18
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              9452
_journal_page_last               9463
_journal_paper_doi               10.1021/acs.joc.7b01481
_journal_volume                  82
_journal_year                    2017
_chemical_formula_moiety         'C14 H20 O3'
_chemical_formula_sum            'C14 H20 O3'
_chemical_formula_weight         236.30
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
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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                88.562(19)
_cell_angle_beta                 89.239(19)
_cell_angle_gamma                77.545(18)
_cell_formula_units_Z            2
_cell_length_a                   5.575(6)
_cell_length_b                   10.617(12)
_cell_length_c                   10.854(12)
_cell_measurement_reflns_used    2117
_cell_measurement_temperature    298(1)
_cell_measurement_theta_max      2.687
_cell_measurement_theta_min      27.370
_cell_volume                     627.1(12)
_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      298(1)
_diffrn_measured_fraction_theta_full 0.907
_diffrn_measured_fraction_theta_max 0.907
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
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_exptl_absorpt_coefficient_mu    0.086
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_exptl_absorpt_correction_type   multi-scan
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_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.251
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Shapless
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1601P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2009
_refine_ls_wR_factor_ref         0.2288
_reflns_number_gt                1379
_reflns_number_total             2011
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo7b01481_si_002.cif
_cod_data_source_block           davidl9m_compound_31b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_refine_ls_hydrogen_treatment' value 'Constr' changed to 'constr'
according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_cell_volume        627.2(12)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4033066