Palladium(II)-catalysed tandem cyclization of electron-deficient aromatic enynes
Na Wu; Antonios Messinis; Andrei S. Batsanov; Zhen Yang; Andrew Whiting; Todd B. Marder; Chem.Commun. 48 (2012) 9986–; doi:10.1039/c2cc35114e

data_7108415
_publ_section_title
;
 Palladium(II)-catalysed tandem cyclization of electron-deficient aromatic
 enynes
;
_journal_name_full               Chem.Commun.
_journal_page_first              9986
_journal_paper_doi               10.1039/c2cc35114e
_journal_volume                  48
_journal_year                    2012
_chemical_formula_moiety         'C16 H14 O3'
_chemical_formula_sum            'C16 H14 O3'
_chemical_formula_weight         254.27
_chemical_melting_point          497.7(5)
_chemical_name_common            1-tert-butylindeno(2,1-c)pyran-3,9-dione
_chemical_name_systematic
;
1-tert-butylindeno[2,1-c]pyran-3,9-dione
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           57
_space_group_name_Hall           '-P 2c 2b'
_space_group_name_H-M_alt        'P b c m'
_symmetry_space_group_name_Hall  '-P 2c 2b'
_symmetry_space_group_name_H-M   'P b c m'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2011-12-01
_audit_creation_method
' Olex2 1.1-beta (compiled 2011.11.01 svn.r2039, GUI svn.r3906)'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.2272(14)
_cell_length_b                   14.8729(17)
_cell_length_c                   6.6914(8)
_cell_measurement_reflns_used    1533
_cell_measurement_temperature    120
_cell_measurement_theta_max      26.681
_cell_measurement_theta_min      2.156
_cell_volume                     1216.9(2)
_computing_cell_refinement       'SAINT v7.46A (Bruker, 2008)'
_computing_data_collection       'SMART v5.630 (Bruker, 2003)'
_computing_data_reduction        'SAINT v7.46A (Bruker, 2008)'
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
XL, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 5.6
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART CCD 6000 area detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_xray_symbol    K-L~3~
_diffrn_reflns_av_R_equivalents  0.1022
_diffrn_reflns_av_unetI/netI     0.0464
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            5934
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.67
_diffrn_source                   'sealed X-ray tube'
_diffrn_source_current           35.0
_diffrn_source_power             1.75
_diffrn_source_target            Mo
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.095
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.388
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       blade
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.56
_exptl_crystal_size_mid          0.13
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.355
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.086
_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     113
_refine_ls_number_reflns         1169
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0698
_refine_ls_R_factor_gt           0.0469
_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^)+(0.0589P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1029
_refine_ls_wR_factor_ref         0.1126
_reflns_number_gt                840
_reflns_number_total             1169
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c2cc35114e.txt
_cod_data_source_block           2c
_cod_database_code               7108415