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_4033770
_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         'C20 H20 O4'
_chemical_formula_sum            'C20 H20 O4'
_chemical_formula_weight         324.36
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
_audit_creation_date             2010-10-22T10:30:35-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                76.778(1)
_cell_angle_beta                 79.794(2)
_cell_angle_gamma                70.097(1)
_cell_formula_units_Z            2
_cell_length_a                   7.8075(2)
_cell_length_b                   8.5765(2)
_cell_length_c                   13.6373(4)
_cell_measurement_reflns_used    6072
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.47
_cell_measurement_theta_min      2.74
_cell_measurement_wavelength     0.71073
_cell_volume                     830.93(4)
_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    'SIR-97  (Giacovazzo et all, 1999)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'BRUKER APPEX-II CCD'
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_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
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_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            32054
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_diffrn_reflns_theta_max         29.57
_diffrn_reflns_theta_min         1.54
_exptl_absorpt_coefficient_mu    0.09
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.9495
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.297
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.27
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_refine_diff_density_max         0.362
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         4640
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0672
_refine_ls_R_factor_gt           0.0437
_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^)+(0.0437P)^2^+0.3152P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1103
_reflns_number_gt                3485
_reflns_number_total             4640
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            jo8b02891_si_008.cif
_cod_data_source_block           js07jxa2n
_cod_depositor_comments
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The following automatic conversions were performed:

data name '_diffrn_radiation_monochromador' was replaced with
'_diffrn_radiation_monochromator' as specified in the replacement
file
'/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/lists/replacement-tags.lst'.

Automatic conversion script
Id: cif_correct_tags 6909 2019-04-08 15:41:33Z antanas 
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_cod_database_code               4033770