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_4021491
_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 ad
_chemical_compound_source        synthesis
_chemical_formula_moiety         'C13 H23 I O'
_chemical_formula_sum            'C13 H23 I O'
_chemical_formula_weight         322.21
_chemical_melting_point          347
_chemical_name_common
(1R,3S,6S,9R)-3-Iodo-5,5,9-trimethylbicyclo[4.4.0]decan-1-ol
_chemical_name_systematic
(1R,3S,6S,9R)-3-Iodo-5,5,9-trimethylbicyclo[4.4.0]decan-1-ol
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
; 
2004-06-15   text and data added, srw 
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            12
_cell_length_a                   13.932(3)
_cell_length_b                   16.279(3)
_cell_length_c                   18.937(4)
_cell_measurement_reflns_used    1013
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      26.00
_cell_measurement_theta_min      2.60
_cell_volume                     4295.0(15)
_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 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  g09bas
_diffrn_reflns_av_R_equivalents  0.0293
_diffrn_reflns_av_sigmaI/netI    0.0289
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            37566
_diffrn_reflns_theta_full        26.41
_diffrn_reflns_theta_max         26.41
_diffrn_reflns_theta_min         1.81
_diffrn_source                   'normal-focus sealed tube'
_diffrn_standards_decay_%        0.4
_diffrn_standards_interval_time  205
_diffrn_standards_number         621
_exptl_absorpt_coefficient_mu    2.215
_exptl_absorpt_correction_T_max  0.5971
_exptl_absorpt_correction_T_min  0.4070
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   '(Bruker, 2001)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.495
_exptl_crystal_description       prism
_exptl_crystal_F_000             1944
_exptl_crystal_id                g09bas
_exptl_crystal_preparation
; 
The data crystal was mounted using oil (Parantone-N, Exxon) to a 
0.4 mm cryo-loop (Hampton Research) with the (0 1 -2) scattering planes 
roughly normal to the spindle axis. 
;
_exptl_crystal_recrystallization_method 'recrystallized from pentane at 0 C'
_exptl_crystal_size_max          0.43
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.534
_refine_diff_density_min         -0.422
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.007(11)
_refine_ls_extinction_coef       0.00064(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   1.017
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     416
_refine_ls_number_reflns         8822
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.017
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0242
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0140P)^2^+1.2842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0427
_refine_ls_wR_factor_ref         0.0449
_reflns_number_gt                7623
_reflns_number_total             8822
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo052142nsi20051013_042827.cif
_cod_original_sg_symbol_Hall     'P 2ac 2ab '
_cod_database_code               4021491