Total Synthesis of Longeracinphyllin A.
Li, Jian; Zhang, Wenhao; Zhang, Fei; Chen, Yu; Li, Ang; Journal of the American Chemical Society 139 (2017) 14893–14896; doi:10.1021/jacs.7b09186

data_4131719
_publ_section_title
;
 Total Synthesis of Longeracinphyllin A.
;
_journal_issue                   42
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14893
_journal_page_last               14896
_journal_paper_doi               10.1021/jacs.7b09186
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         ' C23 H27 N O7'
_chemical_formula_sum            'C23 H27 N O7'
_chemical_formula_weight         429.46
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 110.131(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.9607(5)
_cell_length_b                   6.5772(3)
_cell_length_c                   29.7316(12)
_cell_measurement_reflns_used    9931
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      66.58
_cell_measurement_theta_min      3.17
_cell_volume                     2012.43(16)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0366
_diffrn_reflns_av_unetI/netI     0.0200
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -35
_diffrn_reflns_number            24056
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        66.626
_diffrn_reflns_theta_max         66.626
_diffrn_reflns_theta_min         3.166
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.872
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.418
_exptl_crystal_description       block
_exptl_crystal_F_000             804
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.209
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         3539
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0527
_refine_ls_R_factor_gt           0.0456
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0487P)^2^+1.9773P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1135
_refine_ls_wR_factor_ref         0.1183
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3080
_reflns_number_total             3539
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b09186_si_004.cif
_cod_data_source_block           P
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        ' C23 H27 N O7'
_cod_database_code               4131719
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              81821
_shelx_hkl_checksum              93427