Structural Revision of the Hancock Alkaloid (-)-Galipeine.
Davies, Stephen G.; Fletcher, Ai M.; Houlsby, Ian T. T.; Roberts, Paul M.; Thomson, James E.; The Journal of organic chemistry 82 (2017) 10673–10679; doi:10.1021/acs.joc.7b01720

data_4032773
_publ_section_title
;
 Structural Revision of the Hancock Alkaloid (-)-Galipeine.
;
_journal_issue                   19
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10673
_journal_page_last               10679
_journal_paper_doi               10.1021/acs.joc.7b01720
_journal_volume                  82
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C19 H23 N1 O2'
_chemical_formula_sum            'C19 H23 N O2'
_chemical_formula_weight         297.40
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.61954(8)
_cell_length_b                   13.75433(17)
_cell_length_c                   16.9835(2)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    150
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_volume                     1546.30(3)
_computing_cell_refinement       'CrysAlis, (Oxford Diffraction, 2002)'
_computing_data_collection       'SuperNova, (Oxford Diffraction, 2010)'
_computing_data_reduction        'CrysAlis, (Oxford Diffraction, 2002)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       Area
_diffrn_measurement_device_type  'Oxford Diffraction SuperNova'
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.025
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            12390
_diffrn_reflns_theta_full        76.135
_diffrn_reflns_theta_max         76.135
_diffrn_reflns_theta_min         4.136
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.648
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.277
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.270
_exptl_crystal_size_min          0.260
_refine_diff_density_max         0.13
_refine_diff_density_min         -0.19
_refine_ls_abs_structure_details 'Flack (1983), 1338 Friedel-pairs'
_refine_ls_abs_structure_Flack   -0.1(2)
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0246
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         2528
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0305
_refine_ls_shift/su_max          0.0004380
_refine_ls_shift/su_mean         0.0000513
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.05P)^2^ + 0.23P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0781
_refine_ls_wR_factor_gt          0.0777
_refine_ls_wR_factor_ref         0.0781
_reflns_limit_h_max              8
_reflns_limit_h_min              -8
_reflns_limit_k_max              17
_reflns_limit_k_min              0
_reflns_limit_l_max              21
_reflns_limit_l_min              0
_reflns_number_gt                2496
_reflns_number_total             3210
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   2.01
_oxford_diffrn_Wilson_scale      0.01
_oxford_refine_ls_r_factor_ref   0.0308
_oxford_refine_ls_scale          10.0(4)
_oxford_reflns_number_all        2528
_oxford_reflns_threshold_expression_ref I>-3.0\s(I)
_iucr_refine_instructions_details_constraints
;
BLOCK SCALE X'S, U'S 
CONT ENANTIO 
RIDE C   (   3,X'S) H   (  31,X'S) 
RIDE C   (   4,X'S) H   (  41,X'S) 
RIDE C   (   6,X'S) H   (  61,X'S) 
RIDE O   (   8,X'S) H   (  81,X'S) 
RIDE C   (   9,X'S) H   (  92,X'S) H   (  91,X'S) 
RIDE C   (  10,X'S) H   ( 101,X'S) H   ( 102,X'S) 
RIDE C   (  11,X'S) H   ( 111,X'S) 
RIDE C   (  13,X'S) H   ( 132,X'S) H   ( 131,X'S) H   ( 133,X'S) 
RIDE C   (  15,X'S) H   ( 151,X'S) 
RIDE C   (  16,X'S) H   ( 161,X'S) 
RIDE C   (  17,X'S) H   ( 171,X'S) 
RIDE C   (  18,X'S) H   ( 181,X'S) 
RIDE C   (  20,X'S) H   ( 201,X'S) H   ( 202,X'S) 
RIDE C   (  21,X'S) H   ( 212,X'S) H   ( 211,X'S) 
RIDE C   (  22,X'S) H   ( 222,X'S) H   ( 221,X'S) H   ( 223,X'S) 
END                                                                             
;
_iucr_refine_instructions_details_restraints
;
NO 
REM   HREST   START (DO NOT REMOVE THIS LINE) 
REM   HREST   END (DO NOT REMOVE THIS LINE) 
END                                                                             
;
_cod_data_source_file            jo7b01720_si_002.cif
_cod_data_source_block           13
_cod_depositor_comments          'Adding full bibliography for 4032773.cif.'
_cod_original_formula_sum        'C19 H23 N1 O2'
_cod_database_code               4032773