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_1554336
_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_absolute_configuration ad
_chemical_formula_moiety         'C20 H24 Cl N O3, 0.57(C H4 O)'
_chemical_formula_sum            'C20.57 H26.27 Cl N O3.57'
_chemical_formula_weight         380.07
_chemical_name_systematic
(1R,2R,4aS,12bS)-1-chloro-2-hydroxy-2,5,5,7-tetramethyl-1,2,3,4,4a,5,7,12b-octahydro-12H-isochromeno[3,4-b]quinolin-12-one
_space_group_crystal_system      monoclinic
_space_group_IT_number           5
_space_group_name_Hall           'C 2y'
_space_group_name_H-M_alt        'C 1 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2017-06-08 deposited with the CCDC.
2018-06-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.239(7)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.4603(3)
_cell_length_b                   16.6736(3)
_cell_length_c                   13.8087(10)
_cell_measurement_reflns_used    11742
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.2
_cell_measurement_theta_min      6.5
_cell_volume                     4137.4(3)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.0 r16 (Rigaku, 2014)
;
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT(Sheldrick, 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'Rigaku Rapid2 IP'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device
;
Crystal Goniometer Chi partial
;
_diffrn_measurement_device_type
;
Rigaku mm007 Rapid 2 conversion
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Fiber
_diffrn_radiation_monochromator  'PSMIC CMF Confocal optics'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0370
_diffrn_reflns_av_unetI/netI     0.0568
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            22873
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        65.486
_diffrn_reflns_theta_max         65.486
_diffrn_reflns_theta_min         6.523
_diffrn_source                   'Rigaku mm007HF Rotating Anode'
_exptl_absorpt_coefficient_mu    1.811
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.768
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Reqab (Higashi, 1998)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.220
_exptl_crystal_description       'square flat cobbledstone'
_exptl_crystal_F_000             1618
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: MeOH/H2O'
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.430
_refine_diff_density_rms         0.101
_refine_ls_abs_structure_details
;
 Flack x determined using 1223 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.019(7)
_refine_ls_extinction_coef       0.0026(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     462
_refine_ls_number_reflns         6982
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.1415
_refine_ls_R_factor_gt           0.0783
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1605P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2000
_refine_ls_wR_factor_ref         0.2755
_reflns_Friedel_coverage         0.897
_reflns_Friedel_fraction_full    0.964
_reflns_Friedel_fraction_max     0.964
_reflns_number_gt                3457
_reflns_number_total             6991
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qo00429c2.cif
_cod_data_source_block           compound_1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-scan' was
changed to 'multi-scan' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'C 2'
_cod_database_code               1554336
_shelx_shelxl_version_number     2016/6
_shelx_res_checksum              55448
_shelx_hkl_checksum              3862
_shelx_fab_checksum              5771