C-C Bond-Forming and Bond-Breaking Processes from the Reaction of Diesters with Me<sub>3</sub>SnLi. Synthesis of Complex Bridged Polycycles and Dialkyl Aromatic Compounds.
Martínez-García, Lucas; Lobato, Rubén; Prado, Gustavo; Monje, Pablo; Sardina, F. Javier; Paleo, M. Rita; The Journal of organic chemistry 84 (2019) 1887–1897; doi:10.1021/acs.joc.8b02891

data_4033769
_publ_section_title
;
 C-C Bond-Forming and Bond-Breaking Processes from the Reaction of
 Diesters with Me<sub>3</sub>SnLi. Synthesis of Complex Bridged Polycycles
 and Dialkyl Aromatic Compounds.
;
_journal_issue                   4
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              1887
_journal_page_last               1897
_journal_paper_doi               10.1021/acs.joc.8b02891
_journal_volume                  84
_journal_year                    2019
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C16 H18 O4'
_chemical_formula_sum            'C16 H18 O4'
_chemical_formula_weight         274.3
_chemical_name_systematic
;
Dimethyl trans-1,4-dimethyl-1,4-dihydronaphthalene-1,4-dicarboxylate
;
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2011-10-24T11:27:20-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 99.147(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.2165(9)
_cell_length_b                   11.0383(8)
_cell_length_c                   19.3944(13)
_cell_measurement_reflns_used    1986
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.49
_cell_measurement_theta_min      2.54
_cell_measurement_wavelength     0.71073
_cell_volume                     2793.4(3)
_computing_cell_refinement       'APPEX2 (BRUKER AXS, 2005)'
_computing_data_collection       'APPEX2 (BRUKER AXS, 2005)'
_computing_data_reduction        'APPEX2 (BRUKER AXS, 2005)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SIR97 (Giacovazzo et al, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'BRUKER APPEX-II CCD'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0527
_diffrn_reflns_av_unetI/netI     0.0302
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            28456
_diffrn_reflns_theta_full        26.42
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.9478
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.304
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plane
_exptl_crystal_F_000             1168
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.247
_refine_diff_density_min         -0.196
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         2869
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0551
_refine_ls_R_factor_gt           0.0375
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0401P)^2^+1.9277P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0852
_refine_ls_wR_factor_ref         0.0941
_reflns_number_gt                2220
_reflns_number_total             2869
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo8b02891_si_010.cif
_cod_data_source_block           JSRL297RX
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4033769