Formal total synthesis of the cytotoxic marine ascidian alkaloid haouamine A.
Jeong, Jeannie H.; Weinreb, Steven M.; Organic letters 8 (2006) 2309–2312; doi:10.1021/ol060556c

data_1505966
_publ_section_title
;
 Formal total synthesis of the cytotoxic marine ascidian alkaloid
 haouamine A.
;
_journal_issue                   11
_journal_name_full               'Organic letters'
_journal_page_first              2309
_journal_page_last               2312
_journal_paper_doi               10.1021/ol060556c
_journal_volume                  8
_journal_year                    2006
_chemical_formula_sum            'C25 H25 N O3'
_chemical_formula_weight         387.46
_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_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.022(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6288(13)
_cell_length_b                   27.022(5)
_cell_length_c                   10.6632(18)
_cell_measurement_reflns_used    5924
_cell_measurement_temperature    98(2)
_cell_measurement_theta_max      27.867
_cell_measurement_theta_min      2.511
_cell_volume                     2090.3(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      98(2)
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.979
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0525
_diffrn_reflns_av_sigmaI/netI    0.0583
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       35
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            18470
_diffrn_reflns_theta_full        28.05
_diffrn_reflns_theta_max         28.05
_diffrn_reflns_theta_min         1.51
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.994
_exptl_absorpt_correction_T_min  0.992
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.231
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.274
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     264
_refine_ls_number_reflns         4967
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0938
_refine_ls_R_factor_gt           0.0632
_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^)+(0.0549P)^2^+0.9267P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1288
_refine_ls_wR_factor_ref         0.1398
_reflns_number_gt                3601
_reflns_number_total             4967
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol060556csi20060306_110318.cif
_cod_data_source_block           jhj3s
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               1505966