Total Syntheses of Prenylated Isoflavones from <i>Erythrina sacleuxii</i> and Their Antibacterial Activity: 5-Deoxy-3'-prenylbiochanin A and Erysubin F.
Kwesiga, George; Kelling, Alexandra; Kersting, Sebastian; Sperlich, Eric; von Nickisch-Rosenegk, Markus; Schmidt, Bernd; Journal of natural products 83 (2020) 3445–3453; doi:10.1021/acs.jnatprod.0c00932

data_1559496
_publ_section_title
;
 Total Syntheses of Prenylated Isoflavones from <i>Erythrina sacleuxii</i>
 and Their Antibacterial Activity: 5-Deoxy-3'-prenylbiochanin A and
 Erysubin F.
;
_journal_issue                   11
_journal_name_full               'Journal of natural products'
_journal_page_first              3445
_journal_page_last               3453
_journal_paper_doi               10.1021/acs.jnatprod.0c00932
_journal_volume                  83
_journal_year                    2020
_chemical_formula_sum            'C21 H20 O4'
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_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 114.139(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.8274(4)
_cell_length_b                   8.16970(10)
_cell_length_c                   15.5656(4)
_cell_measurement_temperature    293(2)
_cell_volume                     1720.67(7)
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_diffrn_ambient_temperature      293(2)
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_diffrn_radiation_type           MoK\a
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_diffrn_reflns_Laue_measured_fraction_full 1.000
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_diffrn_reflns_theta_full        25.242
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_refine_diff_density_min         -0.170
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_refine_ls_extinction_coef       0.0142(19)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014'
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_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
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_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0430
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0608P)^2^+0.2448P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_number_gt                3600
_reflns_number_total             3955
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            np0c00932_si_003.cif
_cod_data_source_block           D:\RKSA\OCII\Kwesiga\GK-015t\gk-015
_cod_depositor_comments          'Adding full bibliography for 1559496.cif.'
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1559496
_shelx_shelxl_version_number     2014/7