Straightforward assembly of the octahydroisoquinoline core of morphinan alkaloids.
Dunet, Julie; Lebeuf, Raphaël; Bose, Gopal; Robert, Frédéric; Landais, Yannick; Organic letters 12 (2010) 2178–2181; doi:10.1021/ol1004627

data_1502930
_publ_section_title
;
 Straightforward assembly of the octahydroisoquinoline core of morphinan
 alkaloids.
;
_journal_issue                   10
_journal_name_full               'Organic letters'
_journal_page_first              2178
_journal_page_last               2181
_journal_paper_doi               10.1021/ol1004627
_journal_volume                  12
_journal_year                    2010
_chemical_formula_moiety         'C20 H25 N O4'
_chemical_formula_sum            'C20 H25 N O4'
_chemical_formula_weight         343.41
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             '25th September 2006'
_audit_creation_method           'SHELXL-97 & Stoe X-Red'
_cell_angle_alpha                90.00
_cell_angle_beta                 118.889(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.4585(8)
_cell_length_b                   15.7832(8)
_cell_length_c                   11.6608(8)
_cell_measurement_reflns_used    14152
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.10
_cell_measurement_theta_min      2.05
_cell_volume                     1846.4(2)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED, (Stoe, 2005)'
_computing_molecular_graphics    'Bruker SHELXTL, (Bruker, 1996)'
_computing_publication_material  'Bruker SHELXTL, PLATON (Spek, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_details      ' 180 frames, detector distance = 140 mm'
_diffrn_measurement_device       '2-circle goniometer'
_diffrn_measurement_device_type  'STOE IPDS 2'
_diffrn_measurement_method       'rotation method'
_diffrn_radiation_monochromator  'plane graphite'
_diffrn_radiation_polarisn_norm  0
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1217
_diffrn_reflns_av_sigmaI/netI    0.0818
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            16724
_diffrn_reflns_theta_full        29.40
_diffrn_reflns_theta_max         29.40
_diffrn_reflns_theta_min         2.05
_diffrn_source
'sealed X-ray tube, 12 x 0.4 mm long-fine focus'
_diffrn_source_current           43
_diffrn_source_power             2.37
_diffrn_source_voltage           55
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  0.9935
_exptl_absorpt_correction_T_min  0.9673
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'Stoe XRed32 1.31, Stoe (2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.237
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.075
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.092
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.162
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         5021
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.162
_refine_ls_R_factor_all          0.1110
_refine_ls_R_factor_gt           0.0787
_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^)+(0.0578P)^2^+0.5045P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1534
_refine_ls_wR_factor_ref         0.1708
_reflns_number_gt                3512
_reflns_number_total             5021
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol1004627_si_001.cif
_cod_data_source_block           GB134
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1846.43(22)
_cod_original_sg_symbol_H-M      'P2(1)/n  '
_cod_database_code               1502930