Tandem additions of 3,4-dihydroisoquinolines to γ-hydroxy -α,β-unsaturated ketones: a green and new access to oxazolo[2,3-a]tetrahydroisoquinolines
Huang, Sheng-Han; Shih, Yu-Wei; Huang, Wen-Tse; Li, Deng-Hong; Yang, Te-Fang; RSC Adv.  (2016) –; doi:10.1039/C6RA20708A

data_7226606
_publ_section_title
;
 Tandem additions of 3,4-dihydroisoquinolines to \g-hydroxy
 -\a,\b-unsaturated ketones: a green and new access to
 oxazolo[2,3-a]tetrahydroisoquinolines
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA20708A
_journal_year                    2016
_chemical_formula_sum            'C19 H18 Br N O2'
_chemical_formula_weight         372.25
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-06-07 deposited with the CCDC.
2016-09-21 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.9980(5)
_cell_length_b                   7.5779(3)
_cell_length_c                   38.7212(13)
_cell_measurement_reflns_used    2145
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      74.6100
_cell_measurement_theta_min      4.5990
_cell_volume                     3227.1(2)
_computing_cell_refinement
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_computing_data_collection
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_computing_data_reduction
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 10.2496
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0402
_diffrn_reflns_av_sigmaI/netI    0.0492
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            6271
_diffrn_reflns_theta_full        67.99
_diffrn_reflns_theta_max         67.99
_diffrn_reflns_theta_min         4.62
_exptl_absorpt_coefficient_mu    3.545
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.77316
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies, 
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET) 
(compiled Aug 13 2014,18:06:01) 
Empirical absorption correction using spherical harmonics, 
 implemented in SCALE3 ABSPACK scaling algorithm. 
;
_exptl_crystal_density_diffrn    1.532
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1520
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.570
_refine_diff_density_min         -0.375
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.934
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         2903
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.934
_refine_ls_R_factor_all          0.0718
_refine_ls_R_factor_gt           0.0473
_refine_ls_shift/su_max          0.047
_refine_ls_shift/su_mean         0.006
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1262
_refine_ls_wR_factor_ref         0.1514
_reflns_number_gt                2100
_reflns_number_total             2903
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra20708a2.cif
_cod_data_source_block           ic17273
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7226606