Copper(II)-catalyzed highly diastereoselective three-component reactions of aryl diazoacetates with alcohols and chalcones: an easy access to furan derivatives.
Zhu, Yingguang; Zhai, Changwei; Yang, Liping; Hu, Wenhao; Chemical communications (Cambridge, England) 46 (2010) 2865–2867; doi:10.1039/b924845e

data_7105426
_publ_section_title
;
 Copper(II)-catalyzed highly diastereoselective three-component
 reactions of aryl diazoacetates with alcohols and chalcones: an easy
 access to furan derivatives.
;
_journal_issue                   16
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              2865
_journal_page_last               2867
_journal_paper_doi               10.1039/b924845e
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C31 H27 Br O4'
_chemical_formula_weight         543.44
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_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_beta                 105.7030(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.0837(4)
_cell_length_b                   12.5162(4)
_cell_length_c                   19.9846(7)
_cell_measurement_reflns_used    9917
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.80
_cell_measurement_theta_min      2.44
_cell_volume                     2668.91(16)
_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'
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_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
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_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
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_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.91
_exptl_absorpt_coefficient_mu    1.574
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.606688
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       hexagon
_exptl_crystal_F_000             1120
_exptl_crystal_size_max          0.48
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_exptl_crystal_size_min          0.22
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_refine_ls_number_reflns         4691
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_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0630
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_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0458P)^2^+2.5190P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1131
_refine_ls_wR_factor_ref         0.1251
_reflns_number_gt                3651
_reflns_number_total             4691
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b924845e.txt
_cod_data_source_block           z_syn-4r
_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)/c
_cod_database_code               7105426