#------------------------------------------------------------------------------ #$Date: 2014-07-11 17:35:18 +0300 (Fri, 11 Jul 2014) $ #$Revision: 120071 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/50/65/1506555.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1506555 loop_ _publ_author_name 'Sniady, Adam' 'Wheeler, Kraig A.' 'Dembinski, Roman' _publ_section_title ; 5-Endo-dig electrophilic cyclization of 1,4-disubstituted but-3-yn-1-ones: regiocontrolled synthesis of 2,5-disubstituted 3-bromo- and 3-iodofurans. ; _journal_issue 9 _journal_name_full 'Organic letters' _journal_page_first 1769 _journal_page_last 1772 _journal_volume 7 _journal_year 2005 _chemical_formula_moiety 'C20 H18 Br Cl O' _chemical_formula_sum 'C20 H18 Br Cl O' _chemical_formula_weight 389.69 _chemical_name_systematic ; 3-Bromo-5-(4-chlorohenyl)-2-(4-tertbutylphenyl)furan ; _space_group_IT_number 33 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2c -2n' _symmetry_space_group_name_H-M 'P n a 21' _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 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 27.093(4) _cell_length_b 6.3920(13) _cell_length_c 10.5470(7) _cell_measurement_reflns_used 24 _cell_measurement_temperature 298(2) _cell_measurement_theta_max 24.655 _cell_measurement_theta_min 21.293 _cell_volume 1826.5(5) _computing_cell_refinement 'XSCANS (Bruker, 1999)' _computing_data_collection 'XSCANS (Bruker, 1999)' _computing_data_reduction 'XSCANS (Bruker, 1999)' _computing_molecular_graphics 'X-SEED (Barbour, 2001)' _computing_publication_material 'X-SEED (Barbour, 2001)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 298(2) _diffrn_measured_fraction_theta_full 0.999 _diffrn_measured_fraction_theta_max 0.999 _diffrn_measurement_device_type 'Siemens P4' _diffrn_measurement_method '\q/2\q\ 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 0.0291 _diffrn_reflns_av_sigmaI/netI 0.0666 _diffrn_reflns_limit_h_max 32 _diffrn_reflns_limit_h_min -1 _diffrn_reflns_limit_k_max 7 _diffrn_reflns_limit_k_min -1 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_limit_l_min -1 _diffrn_reflns_number 2425 _diffrn_reflns_theta_full 25.35 _diffrn_reflns_theta_max 25.35 _diffrn_reflns_theta_min 2.45 _diffrn_standards_decay_% 8.1 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 2.398 _exptl_absorpt_correction_T_max 0.7954 _exptl_absorpt_correction_T_min 0.1854 _exptl_absorpt_correction_type psi-scan _exptl_absorpt_process_details 'North et al. Acta Cryst. 1968, A24, 351-359.' _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.417 _exptl_crystal_density_method 'not measured' _exptl_crystal_description 'transparent rod' _exptl_crystal_F_000 792 _exptl_crystal_size_max 0.96 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.10 _refine_diff_density_max 0.311 _refine_diff_density_min -0.301 _refine_diff_density_rms 0.049 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.00(3) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.019 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 212 _refine_ls_number_reflns 1963 _refine_ls_number_restraints 1 _refine_ls_restrained_S_all 1.019 _refine_ls_R_factor_all 0.1168 _refine_ls_R_factor_gt 0.0502 _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^)+(0.0421P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0877 _refine_ls_wR_factor_ref 0.1065 _reflns_number_gt 1085 _reflns_number_total 1963 _reflns_threshold_expression >2sigma(I) _[local]_cod_data_source_file ol050372isi20050313_053636.cif _[local]_cod_data_source_block c:\q04 _[local]_cod_cif_authors_sg_Hall 'P n a 21' _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 1506555 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z+1/2' '-x+1/2, y+1/2, z+1/2' 'x+1/2, -y+1/2, z' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags Br1 Br 0.38903(4) 0.59185(18) 0.29774(13) 0.1069(4) Uani 1 1 d . Cl1 Cl 0.59503(9) 1.8131(4) 0.5208(3) 0.1050(9) Uani 1 1 d . O1 O 0.43261(17) 1.0229(8) 0.5530(5) 0.0577(13) Uani 1 1 d . C2 C 0.4042(3) 0.8507(13) 0.5187(8) 0.056(2) Uani 1 1 d . C3 C 0.4167(3) 0.8010(14) 0.3958(8) 0.067(2) Uani 1 1 d . C4 C 0.4542(3) 0.9430(13) 0.3585(8) 0.069(2) Uani 1 1 d . H4 H 0.4701 0.9435 0.2803 0.082 Uiso 1 1 calc R C5 C 0.4631(3) 1.0768(14) 0.4541(8) 0.059(2) Uani 1 1 d . C6 C 0.3697(2) 0.7811(12) 0.6134(7) 0.0505(19) Uani 1 1 d . C7 C 0.3543(3) 0.9087(11) 0.7129(8) 0.059(2) Uani 1 1 d . H7 H 0.3667 1.0441 0.7189 0.070 Uiso 1 1 calc R C8 C 0.3210(3) 0.8387(11) 0.8032(11) 0.062(2) Uani 1 1 d . H8 H 0.3124 0.9282 0.8690 0.074 Uiso 1 1 calc R C9 C 0.3000(2) 0.6409(11) 0.7996(11) 0.0519(17) Uani 1 1 d . C10 C 0.3158(3) 0.5163(14) 0.6997(8) 0.062(2) Uani 1 1 d . H10 H 0.3032 0.3814 0.6931 0.075 Uiso 1 1 calc R C11 C 0.3494(3) 0.5829(14) 0.6092(7) 0.061(2) Uani 1 1 d . H11 H 0.3585 0.4922 0.5443 0.073 Uiso 1 1 calc R C12 C 0.2618(3) 0.5705(13) 0.8967(8) 0.066(2) Uani 1 1 d . C13 C 0.4953(3) 1.2515(15) 0.4713(8) 0.061(2) Uani 1 1 d . C14 C 0.5364(3) 1.2848(15) 0.3921(8) 0.070(2) Uani 1 1 d . H14 H 0.5436 1.1876 0.3292 0.084 Uiso 1 1 calc R C15 C 0.5659(3) 1.4554(15) 0.4056(10) 0.074(3) Uani 1 1 d . H15 H 0.5928 1.4752 0.3520 0.089 Uiso 1 1 calc R C16 C 0.5555(3) 1.5988(14) 0.4994(9) 0.071(3) Uani 1 1 d . C17 C 0.5167(3) 1.5712(16) 0.5788(11) 0.073(3) Uani 1 1 d . H17 H 0.5102 1.6684 0.6423 0.088 Uiso 1 1 calc R C18 C 0.4867(3) 1.3982(16) 0.5647(11) 0.073(3) Uani 1 1 d . H18 H 0.4602 1.3800 0.6195 0.088 Uiso 1 1 calc R C19 C 0.2798(4) 0.6324(17) 1.0293(11) 0.125(4) Uani 1 1 d . H19A H 0.3142 0.5991 1.0375 0.187 Uiso 1 1 calc R H19B H 0.2613 0.5568 1.0921 0.187 Uiso 1 1 calc R H19C H 0.2752 0.7799 1.0415 0.187 Uiso 1 1 calc R C20 C 0.2540(4) 0.3374(12) 0.8978(13) 0.123(4) Uani 1 1 d . H20A H 0.2354 0.2971 0.8243 0.185 Uiso 1 1 calc R H20B H 0.2361 0.2987 0.9729 0.185 Uiso 1 1 calc R H20C H 0.2854 0.2679 0.8971 0.185 Uiso 1 1 calc R C21 C 0.2137(3) 0.6802(16) 0.8720(13) 0.133(5) Uani 1 1 d . H21A H 0.2189 0.8288 0.8728 0.200 Uiso 1 1 calc R H21B H 0.1904 0.6433 0.9368 0.200 Uiso 1 1 calc R H21C H 0.2011 0.6387 0.7907 0.200 Uiso 1 1 calc R loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 Br1 0.1013(6) 0.1554(10) 0.0640(5) -0.0429(8) 0.0108(8) -0.0251(7) Cl1 0.0892(16) 0.0949(18) 0.131(2) 0.0247(19) 0.0143(17) -0.0210(16) O1 0.051(3) 0.073(4) 0.050(3) 0.008(3) 0.010(3) 0.004(3) C2 0.043(4) 0.064(6) 0.060(5) 0.001(5) -0.002(4) -0.002(4) C3 0.061(5) 0.096(7) 0.043(5) -0.008(5) 0.003(4) 0.005(5) C4 0.052(4) 0.106(7) 0.047(4) 0.008(6) 0.008(4) 0.013(5) C5 0.050(5) 0.077(6) 0.052(5) 0.005(5) 0.003(4) 0.011(5) C6 0.034(4) 0.060(5) 0.058(5) -0.011(5) -0.004(4) 0.004(4) C7 0.069(5) 0.041(5) 0.066(5) -0.003(5) 0.011(5) -0.001(4) C8 0.072(5) 0.054(5) 0.059(4) -0.009(7) 0.014(6) 0.010(4) C9 0.046(4) 0.049(5) 0.061(4) -0.005(6) 0.003(5) 0.001(4) C10 0.047(4) 0.073(5) 0.067(5) -0.025(5) -0.003(5) -0.003(4) C11 0.043(4) 0.089(7) 0.050(5) -0.016(5) 0.003(4) 0.006(5) C12 0.069(5) 0.062(6) 0.067(6) -0.008(5) 0.020(5) -0.001(5) C13 0.047(5) 0.082(7) 0.052(5) 0.014(6) 0.001(4) 0.004(5) C14 0.060(5) 0.099(7) 0.052(5) 0.004(5) 0.013(5) 0.007(6) C15 0.042(5) 0.096(7) 0.085(7) 0.022(7) 0.013(5) 0.003(5) C16 0.066(5) 0.075(6) 0.072(6) 0.031(6) 0.004(5) 0.003(5) C17 0.064(5) 0.076(7) 0.079(7) 0.009(6) 0.020(5) 0.006(6) C18 0.061(5) 0.087(7) 0.072(7) 0.011(7) 0.016(5) -0.001(6) C19 0.144(10) 0.151(10) 0.078(7) -0.008(8) 0.029(8) -0.038(9) C20 0.162(10) 0.054(6) 0.154(11) -0.003(6) 0.086(9) -0.017(6) C21 0.071(6) 0.143(10) 0.186(15) 0.062(10) 0.041(7) 0.020(7) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Cl Cl 0.1484 0.1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C5 O1 C2 109.5(7) C3 C2 O1 106.9(7) C3 C2 C6 138.0(8) O1 C2 C6 115.1(7) C2 C3 C4 106.9(7) C2 C3 Br1 126.4(7) C4 C3 Br1 126.7(6) C5 C4 C3 109.1(7) C5 C4 H4 125.5 C3 C4 H4 125.5 C4 C5 O1 107.6(7) C4 C5 C13 134.6(8) O1 C5 C13 117.8(7) C11 C6 C7 116.2(7) C11 C6 C2 121.3(7) C7 C6 C2 122.4(7) C8 C7 C6 121.5(7) C8 C7 H7 119.2 C6 C7 H7 119.2 C7 C8 C9 122.9(9) C7 C8 H8 118.5 C9 C8 H8 118.5 C8 C9 C10 114.6(9) C8 C9 C12 122.0(9) C10 C9 C12 123.4(7) C11 C10 C9 123.3(8) C11 C10 H10 118.4 C9 C10 H10 118.4 C6 C11 C10 121.4(7) C6 C11 H11 119.3 C10 C11 H11 119.3 C21 C12 C20 109.9(8) C21 C12 C9 109.6(7) C20 C12 C9 113.2(7) C21 C12 C19 108.3(8) C20 C12 C19 107.0(9) C9 C12 C19 108.7(8) C18 C13 C14 116.9(9) C18 C13 C5 121.3(8) C14 C13 C5 121.7(8) C15 C14 C13 121.6(8) C15 C14 H14 119.2 C13 C14 H14 119.2 C14 C15 C16 119.3(8) C14 C15 H15 120.4 C16 C15 H15 120.4 C17 C16 C15 121.0(9) C17 C16 Cl1 119.8(9) C15 C16 Cl1 119.2(7) C16 C17 C18 119.6(9) C16 C17 H17 120.2 C18 C17 H17 120.2 C17 C18 C13 121.6(8) C17 C18 H18 119.2 C13 C18 H18 119.2 C12 C19 H19A 109.5 C12 C19 H19B 109.5 H19A C19 H19B 109.5 C12 C19 H19C 109.5 H19A C19 H19C 109.5 H19B C19 H19C 109.5 C12 C20 H20A 109.5 C12 C20 H20B 109.5 H20A C20 H20B 109.5 C12 C20 H20C 109.5 H20A C20 H20C 109.5 H20B C20 H20C 109.5 C12 C21 H21A 109.5 C12 C21 H21B 109.5 H21A C21 H21B 109.5 C12 C21 H21C 109.5 H21A C21 H21C 109.5 H21B C21 H21C 109.5 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance Br1 C3 1.849(9) Cl1 C16 1.753(9) O1 C5 1.374(9) O1 C2 1.391(8) C2 C3 1.377(11) C2 C6 1.437(11) C3 C4 1.419(10) C4 C5 1.344(10) C4 H4 0.9300 C5 C13 1.428(11) C6 C11 1.382(10) C6 C7 1.393(10) C7 C8 1.386(11) C7 H7 0.9300 C8 C9 1.388(8) C8 H8 0.9300 C9 C10 1.389(12) C9 C12 1.523(12) C10 C11 1.386(10) C10 H10 0.9300 C11 H11 0.9300 C12 C21 1.502(11) C12 C20 1.505(10) C12 C19 1.534(14) C13 C18 1.380(12) C13 C14 1.409(10) C14 H14 0.9300 C15 C14 1.359(11) C15 H15 0.9300 C16 C15 1.378(11) C17 C16 1.356(12) C17 H17 0.9300 C18 C17 1.379(10) C18 H18 0.9300 C19 H19A 0.9600 C19 H19B 0.9600 C19 H19C 0.9600 C20 H20A 0.9600 C20 H20B 0.9600 C20 H20C 0.9600 C21 H21A 0.9600 C21 H21B 0.9600 C21 H21C 0.9600 loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion C5 O1 C2 C3 -1.3(8) C5 O1 C2 C6 -178.7(6) O1 C2 C3 C4 1.7(8) C6 C2 C3 C4 178.2(8) O1 C2 C3 Br1 -177.4(5) C6 C2 C3 Br1 -0.9(14) C2 C3 C4 C5 -1.5(9) Br1 C3 C4 C5 177.6(6) C3 C4 C5 O1 0.7(9) C3 C4 C5 C13 -178.7(8) C2 O1 C5 C4 0.3(8) C2 O1 C5 C13 179.9(6) C3 C2 C6 C11 22.2(13) O1 C2 C6 C11 -161.5(6) C3 C2 C6 C7 -156.8(9) O1 C2 C6 C7 19.5(9) C11 C6 C7 C8 0.8(11) C2 C6 C7 C8 179.9(7) C6 C7 C8 C9 -1.5(13) C7 C8 C9 C10 1.4(13) C7 C8 C9 C12 -177.4(8) C8 C9 C10 C11 -0.8(12) C12 C9 C10 C11 178.0(8) C7 C6 C11 C10 -0.2(10) C2 C6 C11 C10 -179.3(7) C9 C10 C11 C6 0.2(11) C8 C9 C12 C21 72.4(12) C10 C9 C12 C21 -106.2(9) C8 C9 C12 C20 -164.5(9) C10 C9 C12 C20 16.9(13) C8 C9 C12 C19 -45.7(11) C10 C9 C12 C19 135.6(9) C4 C5 C13 C18 160.5(9) O1 C5 C13 C18 -18.9(11) C4 C5 C13 C14 -18.1(14) O1 C5 C13 C14 162.6(7) C18 C13 C14 C15 -1.1(12) C5 C13 C14 C15 177.4(7) C16 C15 C14 C13 0.5(12) C17 C16 C15 C14 0.5(12) Cl1 C16 C15 C14 177.4(6) C18 C17 C16 C15 -0.6(13) C18 C17 C16 Cl1 -177.6(7) C13 C18 C17 C16 -0.1(13) C14 C13 C18 C17 1.0(12) C5 C13 C18 C17 -177.6(8) _journal_paper_doi 10.1021/ol050372i