Regio- and Diastereoselective Rhodium-Catalyzed Allylic Substitution with Acyclic α-Alkoxy-Substituted Copper(I) Enolates: Stereodivergent Approach to 2,3,6-Trisubstituted Dihydropyrans
P. Andrew Evans; Michael J. Lawler; Journal of the American Chemical Society 126 (2004) 8642–8643; doi:10.1021/ja049080n

data_4112771
_publ_contact_author_address
;
        Indiana University
        Department of Chemistry
        800 E. Kirkwood Ave.
        Bloomington, IN 47405-7102
        USA
;
_publ_contact_author_email       paevans@indiana.edu
_publ_contact_author_fax         '++ 812 855 8300'
_publ_contact_author_name        'Evans, P. Andrew'
_publ_contact_author_phone       '++ 812 855 7368'
_publ_section_title
;
 Regio- and Diastereoselective Rhodium-Catalyzed Allylic Substitution with
 Acyclic \a-Alkoxy-Substituted Copper(I) Enolates: Stereodivergent
 Approach to 2,3,6-Trisubstituted Dihydropyrans
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8642
_journal_page_last               8643
_journal_paper_doi               10.1021/ja049080n
_journal_volume                  126
_journal_year                    2004
_chemical_formula_moiety         'C21 H22 O4'
_chemical_formula_sum            'C21 H22 O4'
_chemical_formula_weight         338.39
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 111.5720(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.8023(7)
_cell_length_b                   5.5042(3)
_cell_length_c                   14.5073(8)
_cell_measurement_reflns_used    7128
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      26.5
_cell_measurement_theta_min      2.8
_cell_volume                     876.42(9)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'XTEL (local library)'
_computing_publication_material  'XCIF (Bruker, 1999), XTEL (local library)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare et al., 1993)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 44.52
_diffrn_detector_type            'Bruker SMART 6000'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_details
'0.30 degree frames measured for 15 seconds each'
_diffrn_measurement_device       'three-circle goniometer with fixed chi'
_diffrn_measurement_device_type  'Bruker Platform goniometer'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0359
_diffrn_reflns_av_sigmaI/netI    0.0226
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            24241
_diffrn_reflns_theta_full        26.55
_diffrn_reflns_theta_max         26.55
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    0.088
_exptl_absorpt_correction_T_max  0.9913
_exptl_absorpt_correction_T_min  0.9741
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, R. Blessing (1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_description       needle
_exptl_crystal_F_000             360
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.147
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.028
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.4(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         3621
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0344
_refine_ls_R_factor_gt           0.0294
_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^)+(0.0314P)^2^+0.1423P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0681
_refine_ls_wR_factor_ref         0.0715
_reflns_number_gt                3312
_reflns_number_total             3621
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja049080nsi20040218_040502.cif
_cod_data_source_block           03146
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multi-scans' was replaced
with the value 'multi-scan' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_database_code               4112771