Syn- and Anti-Selective Prins Cyclizations of δ,ε-Unsaturated Ketones to 1,3-Halohydrins with Lewis Acids
R. Brandon Miles; Chad E. Davis; Robert M. Coates; Journal of Organic Chemistry 71 (2006) 1493–1501; doi:10.1021/jo052142n

data_4021495
_publ_contact_author_address
;Department of Chemistry
University of Illinois
600 South Mathews Avenue, Urbana, IL  61801 (USA)
;
_publ_contact_author_email       coates@scs.uiuc.edu
_publ_contact_author_fax         (+1)217-244-8024
_publ_contact_author_name        'Robert M. Coates'
_publ_section_title
;
 Syn- and Anti-Selective Prins Cyclizations of \d,\e-Unsaturated
 Ketones to 1,3-Halohydrins with Lewis Acids
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1493
_journal_page_last               1501
_journal_paper_doi               10.1021/jo052142n
_journal_volume                  71
_journal_year                    2006
_chemical_absolute_configuration rmad
_chemical_compound_source        synthesis
_chemical_formula_moiety         'C13 H23 Br O'
_chemical_formula_sum            'C13 H23 Br O'
_chemical_formula_weight         275.22
_chemical_melting_point          327
_chemical_name_common
(1R,3R,6S,9R)-3-Bromo-5,5,9-trimethylbicyclo[4.4.0]decan-1-ol
_chemical_name_systematic
(1R,3R,6S,9R)-3-Bromo-5,5,9-trimethylbicyclo[4.4.0]decan-1-ol
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
; 
2003-09-11   text and data added, rbm 
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.189(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   6.624(2)
_cell_length_b                   8.063(3)
_cell_length_c                   12.290(5)
_cell_measurement_reflns_used    844
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      27.8
_cell_measurement_theta_min      3.0
_cell_volume                     652.6(4)
_computing_cell_refinement       'SAINT V6.22 (Bruker, 2001)'
_computing_data_collection       'SMART V5.625 (Bruker, 2001)'
_computing_data_reduction        'SAINT V6.22 (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL V6.10 (Bruker, 2001)'
_computing_publication_material  'CIFTAB (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXTL V6.10 (Bruker, 2001)'
_computing_structure_solution    'SHELXTL V6.10 (Bruker, 2001)'
_diffrn_ambient_temperature      193(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'Siemens Platform/CCD'
_diffrn_measurement_method       'profile data from \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_wavelength_id  p25ya
_diffrn_reflns_av_R_equivalents  0.0412
_diffrn_reflns_av_sigmaI/netI    0.0441
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            5025
_diffrn_reflns_theta_full        25.36
_diffrn_reflns_theta_max         25.36
_diffrn_reflns_theta_min         3.03
_diffrn_source                   'normal-focus sealed tube'
_diffrn_standards_decay_%        0.3
_diffrn_standards_interval_time  585
_diffrn_standards_number         159
_exptl_absorpt_coefficient_mu    3.125
_exptl_absorpt_correction_T_max  0.8161
_exptl_absorpt_correction_T_min  0.6147
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   '(Bruker, 2001)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.401
_exptl_crystal_description       prism
_exptl_crystal_F_000             288
_exptl_crystal_id                p25ya
_exptl_crystal_preparation
; 
The data crystal was mounted using oil (Parantone-N, Exxon) to a 
0.3 mm cryo-loop (Hampton Research) with the (0 1 1) scattering planes 
roughly normal to the spindle axis. 
;
_exptl_crystal_recrystallization_method 'recyrstallized from pentane at 0 C'
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.065
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.212
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.004(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     143
_refine_ls_number_reflns         2343
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0331
_refine_ls_R_factor_gt           0.0267
_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^)+(0.0262P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0555
_refine_ls_wR_factor_ref         0.0571
_reflns_number_gt                2091
_reflns_number_total             2343
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo052142nsi20051013_043015.cif
_cod_original_sg_symbol_Hall     'P 2yb '
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               4021495