Stereoselective α,α'-Annelation Reactions of 1,3-Dioxan-5-ones
Tyrone C. Casey; Julie Carlisle; Patrizia Tisselli; Louise Male; Neil Spencer; Richard S. Grainger; Journal of Organic Chemistry 75 (2010) 7461–7464; doi:10.1021/jo101531b

data_4025766
_publ_contact_author_address
;
School of Chemistry, University of Birmingham, Edgbaston,
Birmingham, B15 2TT, UK.
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_publ_contact_author_email       r.s.grainger@bham.ac.uk
_publ_contact_author_fax         '0121 414 4403'
_publ_contact_author_name        'Richard S. Grainger'
_publ_contact_author_phone       '0121 414 4465'
_publ_section_title
;
 Stereoselective \a,\a'-Annelation Reactions of 1,3-Dioxan-5-ones
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_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              7461
_journal_page_last               7464
_journal_paper_doi               10.1021/jo101531b
_journal_volume                  75
_journal_year                    2010
_chemical_formula_moiety         'C15 H16 O5'
_chemical_formula_sum            'C15 H16 O5'
_chemical_formula_weight         276.28
_chemical_name_systematic
;
Methyl 9-Oxo-3\a-phenyl-2,4-dioxabicyclo[3.3.1]nonane-7\a-carboxylate
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 101.744(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.3302(1)
_cell_length_b                   6.0018(1)
_cell_length_c                   16.8180(1)
_cell_measurement_reflns_used    6024
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      70.996
_cell_measurement_theta_min      2.684
_cell_volume                     1317.36(3)
_computing_cell_refinement       'SAINT V6.28A (Bruker, 1997)'
_computing_data_collection       'SMART V5.626 (Bruker, 1997)'
_computing_data_reduction        'SAINT V6.28A (Bruker, 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker SMART 6000'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0182
_diffrn_reflns_av_sigmaI/netI    0.0133
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13286
_diffrn_reflns_theta_full        70.99
_diffrn_reflns_theta_max         70.99
_diffrn_reflns_theta_min         3.87
_exptl_absorpt_coefficient_mu    0.874
_exptl_absorpt_correction_T_max  0.9177
_exptl_absorpt_correction_T_min  0.8176
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.07 (Sheldrick, G.M., 2007)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.393
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.284
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.044
_refine_ls_extinction_coef       0.0123(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     183
_refine_ls_number_reflns         2503
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0318
_refine_ls_R_factor_gt           0.0313
_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^)+(0.0397P)^2^+0.4808P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0781
_refine_ls_wR_factor_ref         0.0786
_reflns_number_gt                2448
_reflns_number_total             2503
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo101531b_si_002.cif
_cod_data_source_block           5b
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4025766