Searching for original natural products by molecular networking: detection, isolation and total synthesis of chloroaustralasines
Olivon, F.; Apel, C.; Retailleau, P.; Allard, P. M.; Wolfender, J. L.; Touboul, D.; Roussi, F.; Litaudon, M.; Desrat, S.; Organic Chemistry Frontiers 5 (2018) 2171–; doi:10.1039/C8QO00429C

data_1554341
_publ_section_title
;
 Searching for original natural products by molecular networking:
 detection, isolation and total synthesis of chloroaustralasines
;
_journal_issue                   14
_journal_name_full               'Organic Chemistry Frontiers'
_journal_page_first              2171
_journal_paper_doi               10.1039/C8QO00429C
_journal_volume                  5
_journal_year                    2018
_chemical_formula_moiety         'C20 H22 Cl N O4'
_chemical_formula_sum            'C20 H22 Cl N O4'
_chemical_formula_weight         375.83
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2017-12-04 deposited with the CCDC.
2018-06-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 102.191(13)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.278(2)
_cell_length_b                   12.6989(10)
_cell_length_c                   17.255(2)
_cell_measurement_reflns_used    4169
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.3880
_cell_measurement_theta_min      4.0080
_cell_volume                     3700.6(7)
_computing_cell_refinement       'CrysAlisPro 1.171.39.32e (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.32e (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.32e (Rigaku OD, 2017)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.890
_diffrn_measurement_device       'Rigaku four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLABPRO AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_radiation_monochromator  'Confocal MaxFlux double bounce optic'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0612
_diffrn_reflns_av_unetI/netI     0.0725
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.890
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            33386
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.890
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.661
_diffrn_reflns_theta_min         3.549
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'Rigaku(Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.232
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.71558
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.32e (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.349
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1584
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Ether/methanol'
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.317
_refine_diff_density_min         -0.297
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     477
_refine_ls_number_reflns         10185
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.1125
_refine_ls_R_factor_gt           0.0613
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0546P)^2^+1.0648P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1331
_refine_ls_wR_factor_ref         0.1521
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6215
_reflns_number_total             10185
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qo00429c2.cif
_cod_data_source_block           compound_18_FO5-102-1
_cod_original_cell_volume        3700.4(7)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1554341
_shelx_shelxl_version_number     2017/1
_shelx_res_checksum              85199
_shelx_hkl_checksum              63643