Asymmetric gamma-deprotonation and homoaldol reaction of 1,3-dien-2-yl carbamates: stereo- and regiochemistry.
Chedid, Roland Bou; Fröhlich, Roland; Hoppe, Dieter; Organic letters 8 (2006) 3061–3064; doi:10.1021/ol061005p

data_1506058
_publ_section_title
;
 Asymmetric gamma-deprotonation and homoaldol reaction of 1,3-dien-2-yl
 carbamates: stereo- and regiochemistry.
;
_journal_issue                   14
_journal_name_full               'Organic letters'
_journal_page_first              3061
_journal_page_last               3064
_journal_paper_doi               10.1021/ol061005p
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C37 H41 N O2 Sn'
_chemical_formula_weight         650.40
_chemical_name_systematic
; 
 ? 
;
_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                 103.09(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.065(1)
_cell_length_b                   13.713(1)
_cell_length_c                   11.397(1)
_cell_measurement_temperature    198(2)
_cell_volume                     1684.4(3)
_computing_cell_refinement       'Collect (Nonius B.V., 1998)'
_computing_data_collection       'Collect (Nonius B.V., 1998)'
_computing_data_reduction        'Denzo-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'XP (BrukerAXS, 2000)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      198(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode Nonius FR591'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0332
_diffrn_reflns_av_sigmaI/netI    0.0364
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10962
_diffrn_reflns_theta_full        27.88
_diffrn_reflns_theta_max         27.88
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.789
_exptl_absorpt_correction_T_max  0.7977
_exptl_absorpt_correction_T_min  0.7178
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1995 & 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.356
_refine_diff_density_min         -0.513
_refine_diff_density_rms         0.041
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.042(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     375
_refine_ls_number_reflns         6744
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0258
_refine_ls_R_factor_gt           0.0236
_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^+0.4202P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0544
_refine_ls_wR_factor_ref         0.0557
_reflns_number_gt                6424
_reflns_number_total             6744
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol061005psi20060524_090704.cif
_cod_data_source_block           hop3479
_cod_original_cell_volume        1684.4(2)
_cod_original_sg_symbol_H-M      P21
_cod_database_code               1506058