Diastereomeric Reissert Compounds of Isoquinoline and 6,7-Dimethoxy-3,4-dihydroisoquinoline in Stereoselective Synthesis
Harry W. Gibson; Michael A. G. Berg; Jennifer Clifton Dickson; Pierre R. Lecavalier; Hong Wang; Joseph S. Merola; Journal of Organic Chemistry 72 (2007) 5759–5770; doi:10.1021/jo070786k

data_4024075
_publ_contact_author             'Berg, Michael A. G.'
_publ_contact_author_email       bergm@vt.edu
_publ_section_title
;
 Diastereomeric Reissert Compounds of Isoquinoline and
 6,7-Dimethoxy-3,4-dihydroisoquinoline in Stereoselective Synthesis
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              5759
_journal_page_last               5770
_journal_paper_doi               10.1021/jo070786k
_journal_volume                  72
_journal_year                    2007
_chemical_absolute_configuration rm
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C18 H24 N2 O3'
_chemical_formula_sum            'C18 H24 N2 O3'
_chemical_formula_weight         316.39
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2006-12-21T16:51:25-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.4677(17)
_cell_length_b                   14.3805(15)
_cell_length_c                   17.864(2)
_cell_measurement_reflns_used    2697
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      18.91
_cell_measurement_theta_min      2.08
_cell_measurement_wavelength     0.71073
_cell_volume                     3459.7(7)
_computing_cell_refinement       'CrysAlis (Oxford Diffraction)'
_computing_data_collection       'CrysAlis (Oxford Diffraction)'
_computing_data_reduction        'CrysAlis (Oxford Diffraction)'
_computing_molecular_graphics    'Ortep 3 (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Giacovazzo, 1993)'
_diffrn_ambient_temperature      95(2)
_diffrn_detector                 CCD
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Oxford Diffraction Gemini Ultra'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0556
_diffrn_reflns_av_unetI/netI     0.0313
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            43792
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         25.15
_diffrn_reflns_theta_min         3.7
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        <2%
_diffrn_standards_interval_count 50
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.083
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   'CrysAlis (Oxford Diffraction)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.215
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1360
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.133
_refine_diff_density_min         -0.162
_refine_diff_density_rms         0.034
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.997
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     425
_refine_ls_number_reflns         3447
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.997
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0329
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0536P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0756
_refine_ls_wR_factor_ref         0.0801
_reflns_number_gt                2826
_reflns_number_total             3447
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo070786krom20070415_124532.cif
_cod_data_source_block           new
_cod_database_code               4024075