Chalcone epoxide intermediates in the syntheses of lignin-related phenylcoumarans
Langer, Vratislav; Li, Shiming; Lundquist, Knut; Acta Crystallographica Section C 62 (2006) o625–o627; doi:10.1107/S0108270106036900

data_2015619
_publ_section_title
;
 Chalcone epoxide intermediates in the syntheses of lignin-related
 phenylcoumarans
;
_journal_coeditor_code           SK3047
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o625
_journal_page_last               o627
_journal_paper_doi               10.1107/S0108270106036900
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C23 H26 O7'
_chemical_formula_moiety         'C23 H26 O7'
_chemical_formula_sum            'C23 H26 O7'
_chemical_formula_weight         414.44
_chemical_name_systematic
;
(2R*,3S*)-1-(3,4-dimethoxyphenyl)-3-{3-methoxy-2-[(2R*)-tetrahydropyran-
2-yloxy]phenyl}-2,3-epoxy-1-propanone
;
_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 c 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                 125.2850(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.4281(5)
_cell_length_b                   18.8386(7)
_cell_length_c                   9.0887(3)
_cell_measurement_reflns_used    7078
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      32.09
_cell_measurement_theta_min      2.49
_cell_volume                     2016.52(12)
_computing_cell_refinement       'SAINT (Bruker, 2003)'
_computing_data_collection       'SMART (Bruker, 2003)'
_computing_data_reduction        'SAINT and SADABS (Sheldrick, 2003)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2005)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker, 2003)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_device_type  'Siemens SMART CCD area-detector'
_diffrn_measurement_method       '\w 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  0.0335
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            18037
_diffrn_reflns_theta_full        31.00
_diffrn_reflns_theta_max         33.15
_diffrn_reflns_theta_min         2.04
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.101
_exptl_absorpt_correction_T_max  0.9821
_exptl_absorpt_correction_T_min  0.6081
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.324
_refine_diff_density_min         -0.181
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.007
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     274
_refine_ls_number_reflns         3639
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0720P)^2^+0.0200P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0937
_refine_ls_wR_factor_ref         0.0994
_reflns_number_gt                3193
_reflns_number_total             3639
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            sk3047.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               2015619
_cod_database_fobs_code          2015619