Synthesis of S-(-)-5,6-Dihydrocanthin-4-ones via a Triple Cooperative Catalysis-Mediated Domino Reaction.
Dighe, Shashikant U.; Mahar, Rohit; Shukla, Sanjeev K.; Kant, Ruchir; Srivastava, Kumkum; Batra, Sanjay; The Journal of organic chemistry 81 (2016) 4751–4761; doi:10.1021/acs.joc.6b00613

data_4036817
_publ_section_title
;
 Synthesis of S-(-)-5,6-Dihydrocanthin-4-ones via a Triple Cooperative
 Catalysis-Mediated Domino Reaction.
;
_journal_issue                   11
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4751
_journal_page_last               4761
_journal_paper_doi               10.1021/acs.joc.6b00613
_journal_volume                  81
_journal_year                    2016
_chemical_compound_source        'see text'
_chemical_formula_moiety         'C26 H22 N2 O3'
_chemical_formula_sum            'C26 H22 N2 O3'
_chemical_formula_weight         410.46
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                84.285(11)
_cell_angle_beta                 76.475(1)
_cell_angle_gamma                83.963(12)
_cell_formula_units_Z            4
_cell_length_a                   10.717(3)
_cell_length_b                   11.387(4)
_cell_length_c                   17.576(5)
_cell_measurement_reflns_used    2840
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      3.1
_cell_volume                     2067.6(11)
_computing_cell_refinement
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_data_collection
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_data_reduction
;
CrystalClear-SM Expert 2.1 b24 (Rigaku, 2012)
;
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'PLATON (Spek, 2003)''
_computing_structure_refinement  'SHELXTL (Bruker, 1997)'
_computing_structure_solution    'SHELXTL (Bruker, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 CCD
_diffrn_detector_area_resol_mean 28.5714
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device
;
AFC12 (Right): Kappa 3 circle
;
_diffrn_measurement_device_type
;
Rigaku Saturn724+ (4x4 bin mode)
;
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support Loop
_diffrn_radiation_monochromator  Confocal
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0258
_diffrn_reflns_av_sigmaI/netI    0.0343
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            16174
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.05
_diffrn_source                   MicroMax003_Mo
_diffrn_source_current           0.6
_diffrn_source_power             0.0
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.087
_exptl_absorpt_correction_T_max  0.972
_exptl_absorpt_correction_T_min  0.954
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.319
_exptl_crystal_density_method    'Not Measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.550
_exptl_crystal_size_mid          0.510
_exptl_crystal_size_min          0.330
_refine_diff_density_max         0.621
_refine_diff_density_min         -0.163
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_matrix_type           full
_refine_ls_number_parameters     567
_refine_ls_number_reflns         7371
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0630
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0675P)^2^+0.3107P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1277
_refine_ls_wR_factor_ref         0.1378
_reflns_number_gt                5900
_reflns_number_total             7371
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo6b00613_si_002.cif
_cod_data_source_block           xxx
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/ACS/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 
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_cod_database_code               4036817