Rapid access to 1-methyleneindenes via palladium-catalyzed tandem reactions of 1-(2,2-dibromovinyl)-2-alkynylbenzenes with arylboronic acids.
Ye, Shengqing; Yang, Xiaodi; Wu, Jie; Chemical communications (Cambridge, England) 46 (2010) 2950–2952; doi:10.1039/b926763h

data_7105476
_publ_section_title
;
 Rapid access to 1-methyleneindenes via palladium-catalyzed tandem
 reactions of 1-(2,2-dibromovinyl)-2-alkynylbenzenes with arylboronic
 acids.
;
_journal_issue                   17
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2950
_journal_page_last               2952
_journal_paper_doi               10.1039/b926763h
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C30 H24'
_chemical_formula_weight         384.49
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 102.1110(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.9337(15)
_cell_length_b                   9.7984(10)
_cell_length_c                   15.5440(16)
_cell_measurement_reflns_used    7329
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.58
_cell_measurement_theta_min      2.47
_cell_volume                     2223.9(4)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0266
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            16373
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    0.065
_exptl_absorpt_correction_T_max  0.9872
_exptl_absorpt_correction_T_min  0.9683
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            red-colourless
_exptl_crystal_density_diffrn    1.148
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.181
_refine_diff_density_min         -0.198
_refine_diff_density_rms         0.045
_refine_ls_extinction_coef       0.0181(18)
_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   1.060
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         4363
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0548
_refine_ls_R_factor_gt           0.0414
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0594P)^2^+0.3340P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1067
_refine_ls_wR_factor_ref         0.1216
_reflns_number_gt                3419
_reflns_number_total             4363
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b926763h.txt
_cod_data_source_block           091010wujie_0m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7105476